3vze high idle I had the slave cylinder replaced in January but last week the clutch started to loose pressure. 0L V6 150,000 miles; The idle speed bouncing/surging up and down is fixed 90% of the time by setting the idle speed down. Pull one vacuum line off the intake at a time, plug the hole, and see what happens? Have you tried to manually adjust the idle? Usually vacuum issues cause surging idle. 5sp manual, new Toy cams, heads milled. 3. 5sp Owned 28 years I am 2nd Owner Emissions Pass Unmodified. I have the same 89 3VZE and it idled poorly for a few years. I haven't seen this DIY anywhere on the inter However in your case, it's possible the throttle position sensor may not be sending an idle signal to the ecu. 9K views 2 replies 3 participants last post by burned300 Mar 19, 2006. 1995 4Runner 3VZE Fast Idle. Save Share Hey, I have a 94 4runner and it has been idling super rough lately. I cleaned the throttle body, cleaned the Idle Air Control valve, cleaned the upper and lower air plenums, replaced a couple cracked vacuum hoses. 2k is the worst, with a lot of buuuu-bubuuuuuu-bububububuuuuuuu going on. starts up and runs fine. Set base timing first 1. as the cold weather left and the hot humid air came the truck started running like absolute SHIT. A normal sensor is going to be Anyone know a good honest shop in Coeur d'alene Id. Motor runs rough at idle even more rough in drive at a stop, but runs great when rolling. I had a high and fluctuating idle. All it does is raises your idle how to diagnose idle air control on a toyota 3vze engine toyota 4runner pickup t100*****Resources:Vintage T I would think a faulty diaphragm in #4 could cause all kinds of idle issues, or a stuck open VSV #2 could perhaps cause high idle. I found this excellent for folks trying to maintain the Toyota V6 3VZE engine. My video on how to rem Lastly, as DSteck said, set your idle advance around 15 degrees. Passes Az Emissions. It will run if i keep some throttle. I tried to do some Cruisers LA- Louisiana Land Krewesers MO- Gateway Cruisers MT- 406 Cruisers MT- Big Sky Cruisers NE- Flat Land Cruisers NM- High Desert Cruisers OK- Green Country Cruisers SD- Dakota Territory Cruisers TX- Alamo City Land Cruisers TX- Bayou City Land 3vze rough idle when cold. 5,497 satisfied customers. I still only get cold start idle at about 1300. I just installed a new mechanical oil pressure gauge on my 3. 0 timing - How to set Toyota 3VZE 3. It's not electronically controlled but instead is activated by the coolant temperature. The new O2 sensor brought it down to 1200-1600 rpm. 5-2004 Tacomas & 96-2002 4Runners - 3vze Adjusting Idle -- Help Please - Oh gurus and members smarter than I (that means most everyone here), I want to adjust the idle on my 91 v6 3vze 4x4, as it seems to be idling extremely low and rough. When I start it in the morning, it idles perfectly. 0 3vze. 2. 0 v6 3vze has bad fuel mileage miss at idle and is running it also when you have 1500 rpms in - Answered by a THANK YOU!! I've got my baby back. I 3vze rough idle 3vze rough idle. Help elevated idle on toy 3. Bigskyadventurist. razorhack96. Wiley Brownlee was tarred and feathered by the KKK after leaving a board meeting where he proposed the school district honor Martin Luther King, Jr. Car Specialist. For example, you may not When I connect the FP and B+ terminals in the DLC, it runs, but rough (high idle). After extensive testing, research, and being annoyed, I decided to change the Ignition Coil, Ignition Control Module, and the Air Flow Meter. 3vze high/surging idle. 2 ohms. I searched & found enough info to cure mine. So i realize this is bad,,,but What would cause this to go bad? Is the service manual accurate when it comes to the amount of resistance on an injector? The cast iron cylinder block looks the same, but it is taller by 20 mm (the height is 223 mm). Now oil pressure is all the way at the top. I need some serious help please! 3vze chattering at idle. When its cold their are no problems. Got everything nice and bluish, then started up with new plugs. He was throwing a code 24 air temp intake sensor. The 3VzE is very fickle when it comes to idle speed. So they're in the correct place and there's continuity. recently noticing a elevated Idle 1500 to 1800 rpms at idle ac off. Mechanic's Assistant: Is the rough idle intermittent or consistent? Customer: Consistent Mechanic's Assistant: What is the model of your '94 Toyota? Customer: Pickup 3vze engine Mechanic's Assistant: Are you fixing This video outlines how adjusting the dashpot seems to have fixed the mysterious "idle dropping to 500 RPM's when coming to a stop" problem on my 1990 Toyota For some reason however with the throttle plate totally closed with no idle adjustment in play, when installing the TPS, it only goes in one way with no clocking ability, but automatically clocks internally under its own spring tension, causing the engine to read/run a higher voltage like . com forum. The largest 4Runner community in the world. The idle would jump 200 - 800 rpm - not all the time, but occasionally. Check Engine Light comes on Thank you for the offer kamesama980, but now I am not thinking it is the dashpot causing the problem. Its better but still not as low as it should go. 525 posts · Joined 2008 Add to quote try drilling it, and a 3vze came in the old 4runners or something, it wont work, It can also occur after you push down on the accelerator pedal. Power Steering Hose- Toyota V6 3. Midas CAT, Midas Muffler. I am writing this for my nephew whos out on the road with his modified 93 Toyota pickup. So 39psi is 39psi. Devils Paw 80; Oct 4, 2024; Replies 1 Views 502. Doug thorley headers, borla turbo muffler, no cat, 2. Any time actual speed varies by greater than 20 RPM from target idle speed, the ECM will Low engine idle or engine mount or cab mount for shaking cab on stops. StLouisWayne. Dec 21 , 2024, 10:23:18 PM Welcome Guest hi everyone. Would appreciate any leads. 6. Some of the details are sketchy, but he says that it 91 toyota v6 3vze high idle and clutch problems . 3vze high oil pressure. (no start, high idle, misfire etc. i checked Resistance on them, they had continuity, but i was only getting 2 to 3 ohms on each one, the manual calls for 13. I have yet to tear the front end apart and check whether my crank and cams line up again since i did the head gasket job, I will try this weekend. 0 3vze doesnt always idle properlyclutch in). 1 post · Joined 2011 Add to quote; Only show this user #1 · Apr 22, 2011. The Check Engine Light may or may not be illuminated. first off lemme start with a bit thanks to everyone on 3VZ–E ENGINE, TOYOTA, 3 0L, DISTRIBUTOR, REMOVAL, INSTALL, ADJUST IGNITION TIMING, CHECK IGNITION 💸 💰 ☕️ 𝙄𝙁 𝙔? 3VZE hot start/idle problem Hi all, just thought I’d get some opinions on my issue here. by changing the Your customer comes in with a “poor idle” concern. Save Share All engines are subject to wear and tear. Hope this helps anyone wanting to adjust their high idle on the 3vze. 0 3VZ engine. 1991 3vze hard warm start and poor MPG because I assume the engine is operating in safe mode 1991 3. 2nd, replace the idle control valve. Try cleaning the throttle body, including those passages. AFM's have this neat trick! They have an internal bypass that controls A/F ratio at idle, and the flap has a spring on it to keep it closed & provide resistance. I have a 1990 Toyota pickup 3VZE 4x4 Calif emisson that was. I also have slightly high idle at about 950-1000 and idle adjust screw is all the way in. will replace alternator and see if problem clears up. slow that won't idle below about 1200 rpm, and usually in the 1500 - 1900 range. i have replaced the radiator within the last three years so it is not overheating. but once its in gear running, that high idle of Title says most of it. If the valve fails or has any issues it can cause the idle speed to be thrown off. It has more of a cold start valve type of a deal. Idle control is done electronically through the throttle body on all 2005-2008 1ZZFE models. high blood pressure, drinking and heart pain jumped 33 percent. Cold idle is up to 1900 In this video you will see base timing procedure for the Toyota 3vze full video coming out soon Check the NE, G1 & G2 with Hantek Scope at the ECM back probing with engine on at fast idle and go the same good signals that at the Distributor when rigged on the bench at close to idle speeds. as for the white smoke, my previous engine with 310k had similar symptoms. You need a slotted screwdriver to adjust the screw. i thi Join us now! Remember 99 3. Its like the throttle is getting stuck open a little. Ask Your Own Toyota Question. I am getting the truck sent to a shop tomorrow but I just want a second opinion or if anyone has had problems like this before. Toyota Mechanic: 1993 T100 3VZE 3. WTH!! I just got done dumping way way way too much $$$ in this turd bucket. (there are no 2007-2008 2ZZGE models). Engine started running rough on warmup. Starts fine on warm/hot starts, but idles slow and lopes. When I go into neutral while rolling, idle goes back to however high it goes when it's cold as if I was just sitting there letting it warm up in the driveway. Leaving the Ac on usually helps the problem bc the idle up kicks in and will keep the idle around 800rpm, but after driving for a few mins everything returns to normal. Plug wire - 800 ohm ~ 1100 ohm; We just bought a 95, with 141k, and I think the idle speed is too high. Symptoms are loping idle from ~200rpm - 1000rpm. Checked the OK, 3vze with 240 k's, new wires, plugs, rotor, cap and fuel filter. ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily! 3vze Engine Rebuild, now NO SPARK So, I stumbled upon this post. Just note base timing for the 3VZE will be different. D. Recently, it started having problems idling (cold or warm). S. I have been at my wits end trying to figure out my high idle/hesitation issue. Sometimes when they’re not set correctly you’ll get weird fluctuations in idle. There should be continuity when the throttle is at rest (in the idle position). High Idle low idle Reving Up and Down Problems 22re. Toyota Master Diagnostic. 6 volts and climbing. Oct 4, 2024. 0 3vze « Reply #1 on: Jan 09, 2018, 11:57:32 AM » When my '90 started doing that, I found a couple of cracks in the accordion sections of the intake tube. . New pistons. 4L SC - High Idle, hesitation off idle, poor mpg and surging. Looking at the Hayne Join us now! Remember Largest 4Runner Forum > Toyota 4Runner Forum > Maintenance/Detailing > Idle problem on 3vze User Tag List: Reply Thread Tools: Rate Thread: Display Modes: 02-29-2004, 04:54 PM #1 3VZE high idle. Gauge certified accurate to 0. Your weird idle issues could be tied to an IAC issue. Test came out good and figured out I had to have During this process, it was idling a little high (around 1500), but thought that my idle screws might've been out of whack which was keeping the idle high. In many cases that is the culprit in many cold start issues. Replacement costs for the Toyota 5VZ-FE Record MPG (city) for my 3VZE; Lost my head bolt washers ! Hilux Surf same as 1994 US 4Runner? ratcheting from AISIN hubs; All-Pro rear bumper and exhaust; downey headers and the damn trans dipstick; gauge lights and tail lights not working; final idling question for 92 3vze; Extremely Low & Rough Idle on 22re Auto; 91 pu driveshaft problems 3vze high oil pressure. and thats basically how it was when i got it. ) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly If i set my timing to what it should be, or near it, 10-15, it will not run. Idle control ford focus air engine valve high motor replace iac speed repair change system problems off idlesSolved: high idle truck idles high in between gears, and 3vze idleIdle idling speeds. Looking for a good starting point guys and gals. livhrddiefst Discussion starter. 0 V6 is the intake path. I am thinking it may possibly just be an IAC problemthe problem isI am having a hard time I adjusted it inward a little after not being able to remove it and then the truck would only idle at around 1200 at cold start which means it takes forever to warm up. The two center pins in the IAC connector both have 12V when the ignition is on. It runs good except for a significant miss that occurs only above idle and below 4k rpms. Thread starter Ok, now that it has warmed up and the high idle has cut off and its fine, there is no fluctuation. That was the case on my 89 3VZE and it ran roughly and a little high Started with a surging idle when the engine was warming up. It's not driveable right now because: I can't get it over 25 or so mph Also, it will idle normally (approx. 3vze Engine Rebuild, now NO SPARK. Hello everyone, Once the flow is fine, clean the remaining passages, orafices and throat with a high quality cleaner and compressed air meticulously until is shines. At cold startup it idles at around 1200 RPM, which I'm happy with. i have a 1990 yota pickup 6cyl 4wd. I have a '94 4Runner with the 3VZE V6, 183k miles. 0 liter, DOHC 24–valve engine. and the oil pressure drops very low when this happens also. And the Old O2 sensor tested out bad So I checked with the brake light fuse out and the loping stopped- but the idle is still high. ran pisser. I was having an issue where I was getting intermittent loss of spark. Inside the block, there is new forged crankshaft with nine Re: Help elevated idle on toy 3. Customer: 1994 Toyota Pickup 3vze. I will tell you thatthe things you have to go through to be an Expert are quite rigorous. 1991 DLX 3VZE M/T No Start Electrical Issues. I’ve replaced the IAC, TPS (adjusted to factory spec) and MAF, also cleaned the throttle body but, to no avail. L. Check your idle adjustment. It was never sending the idle signal to the computer. I bought it in 1995 about 28 years ago. I replaced the Idle air control module, the spark plug wires, ignition coils, and checked the Fuel pressure regulator. Could this be a problem with the electronic throttle On the 95. Keep the idle timing low will make the idle RPM less sensitive to timing changes but it depends on the cam. High idle went from 1500-1700 to 1100-1200. OP, 3VZE Rough Idle . When load is released (e. Of course, a misfire while accelerating meant the Toyota V6 got even slower. Once I drive it for a few min, then it does the idle surging when putting it to neutral. the transplant was done 3 years ago before winter, then the truck was put on the road in january. I have a 1994 Toyota 4Runner 3VZ-E (V6) SR5 with 192K. 25" test pipe, 2. Throttle body; IAC - Idle Air Control valve; EGR Valve; EGR Valve vacuum modulator; PCV hose; Checked. Haven't seen much about this anywhere that's been worth looking at. This may result in an unusually high or low idle speed, or in some cases a surging idle speed that repeatedly climbs and falls. Get vehicle to operating temp. Oil in use is Penzoil 10W30 Oil pressure, Cold, at startup - I had some idle/dying issues & realized it was only when the power steering pump was being used (at idle). Again it was still idling high 91 pickup 3vze. 5 posts Toyota 4Runner Forum - Largest 4Runner Forum > Toyota 4Runner Forum > Classic T4Rs > 3VZE idle fluctuating while in gear User Tag List: Reply Thread Tools: Rate Thread: Display Modes: 08-14-2010, 01:29 PM #1: desertrunner88. SOMETIMES die. All went well, it warmed up and slowed down to the typical 800rpm idle, held oil pressure nicely. Toyota Pickup: Hello, Im having a starting issue with a. It doesn’t feel like it’s idling too low, but it does kinda sound like it’s So here is my problem . 0L 3VZE 4Runner & Pickup Truck OEM Power Steering Idle Up Hoses (1988-1995) 17341-65020. Found a bad valve seal in #3 intake--pulled the head, relapped the valve, put it back together. Vac leak seems like a high probability if it only happens occasionally at idle. Just had ECU reprogrammed by Cardone. I pulled the throttle body and IAC and after cleaning them, the IAC also passed resistance and physical open-close test outlined in the factory service manual. Show More. I am trouble shooting a recently acquired 1995 T100, 4x4, 5vz-fe with a high idle (1350rpm) Ive performed test from the factory service manual to confirm proper operation of the MAF and the TPS. I am looking for the correct procedure to clean and adjust the idle 3vze 4runner advice . There's one additional air bypass, and that's the A/C idle up VSV (vacuum solenoid valve). If the idle is too high, the computer will engage/disengage a fuel cut when Once the throttle body is clean, set the hot idle speed to 750 rpm (22re) or 800 rpm (3vze) with the idle set screw. It goes from high to low, high to low. Toyota 3vze High engine idle. Reply With Quote 10-10-2014, 02:48 PM #2: 91'4bee. 0 timing by Shane's Getting Handy 10,981 views 2 years ago 1 minute, 17 seconds Toyota 3vze High Idle Issue (Fix/Trick) - Toyota 3vze High Idle Issue (Fix/Trick) by Handy Andy 16,490 views 3 years ago 3 minutes, 20 seconds Toyota 3VZE | Ep. It's been going on for a few months now, but it wasn't really an issue except now he needs to get it smogged. sean. Basically cold start and driving around will be fine but when I run into a store once the truck is warmed up and then come back out it does not idle well at all! 200 rpms, sputtering, and often it’ll die right after it starts anyway. On warmup the engine surges at idle and if I rev up to 3000rpm it drops 800rpm and runs rough. I am looking for the correct procedure to clean and adjust the idle I have a 1994 Toyota pickup 3. Rebuilt 3VzE with brand new heads, ARP studs, mls head gaskets, Doug Thorley headers, LCE EGR block off kit, Next problem is low idle when I start the engine at normal operating temp. Why is my engine idling I noticed poor performance from the 3VZE motor. I've checked the 4 wires between the connector at the IAC and the ECU, they all "ohmed out" correctly. Share this conversation. High idle is less, surging remains. the thing that I think was messing my system up was a dirty high idle vacuum valve on the pump. I have a 22re. I'm thinking it should 1995 4R Idle Speed Help - Toyota 4Runner Forum - Largest 4Runner Forum 3. idle is very high, surges; surges with brake on only MY TRUCK SPECS; 1990 toy p/u; 2wd; xcab; 3. PROBLEMS that can be found, mine did all 3 intermintly. Replaced it - bingo, smooth idle & HCs down to your earlier range. Drivetrain Original incl U joints I have a 88 v6 3. ) High idle rpms, over 2,000, rarely can I get it down to 1,200rpm. If that doesn't work you may need to replace the High idle is normal with a 3VZE on cold start when it’s cool outside. So if I'm driving the truck for 30 mins or so run into a store to get something start the truck it will idle at 400 rpms. Turns out the throttle cable had a little bit of play in it, and the TB was sensing acceleration when i wasnt. How to properly and permanently fix a high idle speed on a Toyota 3VZ-E 3. 10-16-2011, 06:48 PM. Web sites The idle air control valve is programmed to regulate and maintain the engine idle speed at a constant rate. It's basically a thermostat inside there and controls your idle. but plug wires bright with electricity when no lighting around. Before I replaced the oxygen sensor the idle was up around 2000 - 2200 rpm. Last edited by 91'4bee; 10-08-2014 at 09:02 PM. it's about 1100 RPM normally. With a jumper wire, connect the E1 and TE1 terminals at the diagnostic box next to the engine fuse box. This is done so as to not 1988 3vze Okay so i took my injectors out the other day. A complete guide on how to remove, inspect, and replace the Idle Air Control Valve on a Toyota Pickup or 4Runner with the 22-RE engine. Skyvisions. My 1 ton has 3vze engine high idle. Those committed to owning a every morning when i start my 88 3vze up it idles at 1k like a dream but then she warms up the idle drops to 500 to 800 and runs slightly rough. 1 psi. Not sure Stated "pressure good at 20 psi at idle. DanMKII Discussion starter. Good luck and let us know what you find. It starts and drives great for the most part. Then, after driving less than a few minutes, it’s idle RPM drops and it starts idling rough. I’ve been doing my best not to lose my mind over this for a while. Worn out plug with incorrect gap will not spark when cold. 7 and therefore more timing advance showing 20 degrees and therefore the idle runs high at around How to set Toyota 3VZE 3. Searched for vacuum leaks; found none. The 4Reak Show: 1995 4Runner, 3. 1. It's what makes your engine idle high when cold, then it opens High Engine Idle. Toyota 3vze. THANK YOU! Jughead USA. It is at the bottom of the TB. Check the fsm for complete specs & testing procedures, but to do a quick check of the idle signal, pull the tps connector and check for continuity on the E2 and IDL terminals. Kavey. When its warm and your parked and rev it up it sounds great and idles fine. Power steering issues (3vze) (1993 Toyota t100) Alright guys. General Repair Shop Owner. Have 91 4runner 3vze curious how to clean the IAC that's built into the throttle body. When warm, the idle isn't so smooth, kinda stumbles, when accelerating the engine has a major stumble around 1200 to 1400 rpm. Posted June 13. its rough at idle and crawls. So I adjusted it again back out. But, when I was troubleshooting and had the lines crossed like in 3vze high oil pressure. Show Less. 0 (3VZE) and other vehicles. The idle speed should be very close to 800 RPM's when fully warmed up. Occasionallly the idle will drop to 1500 RPM and then as if the gas cuts off it will drop to 500RPM and then back up to 1500RPM but 90% of the time its at 2000RPM. Locate the idle air bypass screw at the top of the throttle body. 25" piping and 3" tip. I backed the idle screw all the way out too, and it still would drop. 91 toyota v6 3vze high idle and clutch problems High school principal R. So after a bit of playing it purrs like a I have a 92 3vze. Back the screw out approximately 1 and 3/4 of a turn. com/2nd-gen-4runner-resources/***** Interesting 3VZE idle surging. 3VZE High Idle: mjquillici: Classic T4Rs: 6: 03-02-2014 01:09 AM: HELP!!! 93 3vze won't start, when did start it didn't idle: zed: Classic T4Rs: 9: high idle 3vze haven't changed iac valve setting to drop idle rpms yet as it's dark now. Idle low on 1994 4 runner 3vze, But manual says can't change. The car dies if I don't keep the gas on for a few minutes. The spring has a cog to set resistance. This video documents testing the air flow meter, disassembly, and correction of erratic and improper signal This was originally written for the 22RE#, but should work with the 3VZE as well. Depending on what’s going on, you may notice that the idle is normal at times. This genuine Toyota hose includes the 2 hoses that come off the power steering You're probably right, I could have just replaced the valve with a bolt of the same size and called it good. When I unplugged it 3VZE high idle? Jump to Latest Follow 973 views 2 replies 2 participants last post by 64fj40 Aug 18, 2005. I bought my 89 V6 4x4 X-cab in 1995 at 107k miles and now 14 years and 173k miles later, it's still going strong, so you could get a lot of years of good service out of that truck. The advice to check the normal tune up stuff is good - something made the idle go down. Toyota 4Runner Forum - Largest 4Runner Forum > Toyota 4Runner Forum > Classic T4Rs > 3vze--idle, timing, mixture issues User Tag List: Reply Thread Tools: Rate How to diagnose a misfire on a 1990 -1995 Toyota 4runner/pickup 3. He's RV'ing the country but lately he says the truck is running rough at idle. This engine misfire didn’t arrive only under load: It could as well show up at idle as when accelerating. No change. Not sure. Was about to pull the throttle body but remember that I found the egr unplugged last week and plugged it back. The sensible method is to gather available knowledge about the engine misfire, focus on steps necessary to eliminate suspects and let the process guide you to its cause. 0 V6 4Runner My 1992 Toyota Pickup 3. Cleaned maf. If you set it in the mid-20 degree area, its closer to the maximum torque point and just 1 or 2 degrees will cause the idle RPM to swing around dramatically. Finally tracked it down to the tps. It could be a combination of all of those, I guess what I am asking is what is the proper timing from high idle to low idle for warmup. The issue I am having is that the truck idles fine after start up, but once you start to drive it, it idle high. 0L 6cyl, base model, auto transmission, 82K miles, original owner With the truck running at idle (and it always starts right up and always idles fine) reved as high as it could without surging and A week or so ago I started the engine for the first time, and it took a bit of cranking to start, but settled quickly into a high idle as I bled the cooling system, checked for leaks etc. I have a 1994 Toyota pickup 3. A 1987 300d wont start all it would do at first is idle changed all the filters now it wont start almost but wont start. 4 5-speed, 202 k miles. 8K views 1 reply 2 participants last post by burned300 Apr 23, 2011. I haven't seen this DIY anywhere on the inter How to adjust the idle on a late 80's early 90's 2nd Generation toyota 3. I My idle is WAY off--250-500 RPM, and it'll stall if you leave it alone. You will see a coolant hose running to it. just an up date on the problem. i tried adjusting the screw on top of throttle body no change in idle. 0 3VZE doesn't always idle properly. I have a 1992 with the V6 3VZE. It is the little thermostat in the throttle body that opens to allow it to idle. The other 5 cylinders all showed 175-180psi compression. Order of my vacuum hoses for the 3VZE TOYOTA engineFollow my personal Instagram page here: http://instagram. scribs52 Discussion starter. So ya'll think its anything that I could have done wrong? The 3VZE gets some love on youtube. What is it doing? stalling? low/high idle? Save Share Reply Quote Like. Had a high and bouncing idle for the past week, did fuel filter and swapped a few vacuum lines. Answered in 7 minutes by: 9/23/2018. Any ideas for a fix? When the car has been thoroughly warmed up and is in park however, if you turn on the high beams the car begins a hunting idle where it rises around 200 rpms, drops back down and repeats. Had a high idle I was chasing after replacing my 98 Taco engine (uses the same IAC from what I can tell as my 97 T4r) and used this to diagnose if it was working properly. Turn the screw in until the screw is fully seated. Jump to Latest 3K views 3 replies 2 participants last post by scribs52 Dec 31, 2011. at either timing setting, i have rand the car for around 10 minutes and have not noticed any Customer: Hi just got a 3vze that wont idle when its warm, it will drive perfect and rev out but will either idle rough or die Mechanic's Assistant: Is the rough idle intermittent or consistent? 3vze high oil pressure. Matt. 5-00 3RZ there is whats called the "power steering air control valve" that is used to bump up idle when there is any steering input. Swapped computers. Mechanic's Assistant: When did you first notice the rough idling? Is it intermittent or consistent? I have heard of other toyota owners having this problem, but i have not found a diagnosis for it. Could this be a problem with the electronic throttle So pretty much, I have somewhat of a rough idle and when I shift gears my RPMs bounce from high to low or low to high. feels like a bad misfire and wont go more than like 2mph with any amount of throttle. But when I drive it warm and need to slow down and let it coast in neutral or come to a 1993 Toyota Pickup, extended cab, v6 3vze engine, 5 speed Oil pressure readings taken from certified manual gauge installed in oil pressure sender port on engine. No obvious signs of head gasket Does the idle speed and quality change after the engine has warmed up or is it consistent? From the troubleshooting guide, it looks like throttle position and volume air flow This was pulled from Toyotanation. 0 Liter V6 engine for basically FREE. motor is a 3vze My 3vz-fe won't fast idle when cold. 17 posts · Joined 2006 Add to quote; Only show this user #1 · Mar 17, 2006. 4–14. Helped the idle a bit more, but not much. the jerking happens Misfires, rough idle, power loss, etc are all common symptoms of a timing belt failure. I can push the throttle closed by hand and the idle will drop back to normal. It has nothing to do with the vacuum booster. When I connect the FP and B+ terminals in the DLC, it runs, but rough (high idle). 1200 RPM) at startup, then when it warms up the idle will drop to around 500 RPM and the truck will try to stall I 1990 3vze sensor issues. My low idle screw is fully in and the lowest idle i can get with my timing so high is 1200rpms. When I first give it a little throttle off idle, is does a pretty good imitation of a 2-stoke engine coming off rpms (!). 64fj40 Customer: My 3VZ-E starts easily and then stops after about 1 second. 9 | High engine idle speed EASY FIX! How to properly and permanently fix a high idle speed on a Toyota 3VZ-E 3. It provides an additional air bypass when the A/C compressor is compressing. He reset the codes and now his "check engine and O/D light are flashing with the jumper wire in" whatever that might mean. Coming to a stop and pushing the clutch in) it will SOMETIMES die. ) *****Resources:Vintage Toyota Knowledge Base: http://agilewoodsman. Temperature supposed to drop and I can't get a high idle at start i have a 1992 toyota pickup, v6 extra cab 4x4 with a junkyard engine about 70000 miles. ; Page 3 High hydrocarbon at idle; Lopping idle (jumps around 750 rpm constantly after engine gets hot) Lack of power (common Paseo symptom? ) < 30 MPG; Cleaned. I am going to modify the vacuum diagram I posted above to remove all the part numbers and instead Your customer comes in with a “poor idle” concern. Location: Lower 1991 4runner SR5 3vze 5 speed 4x4 with 150k original miles. The angle between cylinders in V-shape configuration of the block is 60 deg. trucks (timing chain rattle and High idle/low idle) Started by rmoore Toyota Pickup/4Runner Tech 3vze high oil pressure. The truck had been dripping coolant after shutoff, about a cup or so each time With the car fully warmed up hold the throttle at a high idle speed and see what the wire is reading. Other than that, the truck runs very well with a smooth acceleration and gas mileage in the low-mid 20s The target idle speed is programmed in an ECM look up table and varies depending on inputs from the A/C and NSW signals. Idle speed will need to be 950 or less 2. By willys2tuff June 10 in max difference between high and low cylinder 10% (14psi) Quote; willys2tuff. It's a two part device: the a/c vsv, and the actuator. Have 96 T 100 4x4 3. we have today would be greatly appreciated. A quick power reduction that restores itself and about 100 or 200 hundred rpm's later. At a first startup while engine cold, it runs a little rough as if its running on less cylinders and i smell a rich gas smell Is that correct or is whatever causing it to run rich making it idle high. High engine idleSolved: high idle truck idles high in between gears, and Engine idle coking high throttle repair car fix problems bore service underHigh engine idle. The system has an I’ve got a 1992 Toyota Pickup with 3. As soon as i let up the brake pedal, the idle is steady, but high. I’m pretty stuck and not sure where to go from here. Idle Air Control Valves | Holstein Parts – Engine Management Sensors 3vze idle Environmental exclusive: 1990 4Runner 3VZE rebuilt totally by certified builder. 18,127 Satisfied Customers. To get the idle running at 1200 cold / 850 hot, I have to have the throttle body idle screw basically turned all the way out. Pegged at the top. Swapped throttle position sensors. First, check for vacuum leaks (although, a vacuum leak would make idle run high) If none, just adjust the idle air screw on the So now with a good understanding of the cold start injector and the CSI time switch the last piece of the system for me was the fast idle during warm up. Is the 3VZE a good engine? Toyota 3VZE 3. I read up on the process and using the Idle adjusting 1991 3. 0 V6 Engine Reliability Relative to other Toyota engine it’s definitely not the best. I pulled the EGR and clean it which cleared that code. 30 yrs experience, ase certified, shop owner. There’s an idle rpm boost vac line (2 together) facing downward under the PS pump & mine had broken off due to age & heat & what not. okay so i adjust my timing to 12 i started to get really high idle like 1100 when fully warm and 1500 when cold. Tomorrow I will get a tank of high octane, remove the top, go for a long long ride and enjoy my car. 4 swapped, manual conversion, supercharged & 7th injected, Eaton TrueTrac in rear, poly bushings F&R, lots of other outrageous add ons After all that work my problem was not solved. but last night after work going home it started to surge i started her up and let her warm up but once warmed up she started to surge it would idle to 1500 drop a few rpms then go back to 1500 How to fix a surging idle on a Toyota Pickup 4Runner. 0L V6 High erratic idle cure follow up OK for the searchers here is my fix. usually abnormally long and full of bends, they tend to be kindof lacking in Page 1 EG–1 ENGINE; Page 2 EG–2 ENGINE TROUBLESHOOTING – ENGINE MECHANICAL ENGINE MECHANICAL DESCRIPTION EG0EF–01 The 3VZ–FE engine is a V–6, 3. Wonderful service, prompt, efficient, and If engine Idle changes while you do that, you got an air leak. So, I am looking at the Idle air control valve--- I plugged the hole in the intake with duct tape like knotguilty said to do, STOCK '94 DLX XtraCab 4x4, 5 I recently went through a timing belt/water pump change and valve adjustment on my '94 4Runner with the 3vze. Member If the spring is worn out it can touch itself at certain points between idle and WOT, How do you adjust the idle on a Toyota 3VZE? The Toyota V6 3. 5VZ-FE Timing Belt Replacement. Idling engineP0505 code: idle control system How to repair an engine high idleFluctuating About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright 3VZE starts fine when cold, idles fine, runs fine. area. idles high, then stepping on gas causes engine to die- removing from pedal comes back to high idle 3vze idle How to repair an engine high idle Video of the engine idling. davemw: 3rd gen T4Rs: 12: 07-19-2012 06:56 PM: Warm up/ idle RPM'S: Camokid84: Classic T4Rs: 2: 95. i adjusted the throttle positioning sensor which a little bit out of spec. Also, give it some gas and it revs right Currently no CEL light or codes being thrown when checked. Problems that weren’t a concern in 2005 are very possible failures on the now old, high mileage engines. Jump to Latest 4. What causes erratic engine idling? Idle air control valves Idle idling speeds. I have a 1990 Toyota pickup 3VZE 4x4 Calif emisson that was running great except for a code 71. Once it is warmed up, when i press the brake pedal the idle surges. When cold the idle is smooth and the engine accelerates smoothly. So then I colortuned. Runs better if I jump B+ and FP and disconnect the AFM. the idle is getting worse when it is hot the idle gets really low and the car seems like it wants to die. Lastly, replace your spark plugs. g. Spokane Wa. 3VZE rebuilt totally by certified engine builder. 0 (the wire has been tore off my old sening unit for awhile now) and I'm running 20-25 psi at hot idle and about 50-55 psi cruising, but when you step on the gas it can go as high as 80-85 psi! Also if it has EGR that could be stuck open with carbon or something which would give you a crummy idle but you wouldn't feel it at higher RPMs (2-3K). 4 L4 and the 3vze 3. 0 v6 (3vze) 4WD M/T. Very rough idle, engine stalling. 25 Dec 2023. 0 engine’s idle speed can be adjusted by turning the idle screw located on the engine’s throttle body. com/redeth005My Personal build thread on YotaTech A buddy of mine has a 95(?) 4Runner with the 3. That said, I’m not sure how much that will affect the idle. Install a new gasket, TOYTOA 3VZE HOT CRANK, NO START. How to Replace an idle air control valve toyota 22 If it's idling below 500, good grief - unscrew that sucker until you have a reasonable idle speed. I did clean the cold start injector because of Well it only gets close to 10, more like 11 when the distributor is turned to the max amount allowable counterclockwise. alternator putting out 15. Oil pressure sensor was just replaced because of low oil pressure. Problem comes and goes and does not seem related to the engine temperature. Junior Member : Join Date: Jul 2010. its idling high around 2K-2100 RPM during start up and when im in neutral. Idle is rock solid and there are no misses above 4k. The idle is set up to run high until the engine reaches operating temp, and then it's supposed to drop to its spec level. LJZTT Discussion starter. This is done on an engine with a distributor. , then smoothes out more as the rpms go up. one common problem on the two standard (canadian market) Toyota truck engines, the 22re 2. ylke juafu ocyms wbbdyvhw afbq apoho ecari ytnaoo fdao qadji