How to replace an idle air control (IAC) valve
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- čas přidán 12. 10. 2017
- How to replace the idle air control valve. I replaced the IAC valve in my 1997 Chevrolet Lumina. With rough idle and almost stalling out it was definitely time to replace it.
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AutOdometer was previously MCRC (My Car Repair Channel)
Disclaimer: Each video that is produced and published is intended to be educational. Tips and tricks will be offered for your viewership. The outcome of your car repair is solely your responsibility. Research and a good thought process should be completed before each repair. - Auta a dopravní prostředky
If you own a Chevrolet Lumina you might want to check this out. This is my playlist of all the videos Ive done on my Chevrolet Lumina. czcams.com/play/PLBswVpqDrWxS5gWH6NyI4i9o-wRLztOCu.html
Same on 2002 impala 3,4?
Would this be similar to my 05 chevy impala?
Dropped mine in the engine bay,had to go looking for it.
I'm told it's almost impossible to find an IACV for my 96 Honda Civic but two people in the know have said that's what I need.
I’ve got a 99 Lumina that’s been having the worst idle issues. It stalls out regularly. Glad to see some videos that might help!
I'm looking at replacing the IAC valve in a 95 mystique, this so far, is the most helpful video.
Helpful video. 97 Malibu, 3.1 V6: Rough idle with a P1071 code.
Installed a new IAC valve, then got a reading for “MAF circuit A low.” - found a short in the mass airflow sensor’s wiring harness.
New MAF wiring harness solved the extreme high & low idle, but the engine still loped at idle due to a missing PCV line grommet on the intake manifold near the throttle body - same effect as a bad IAC valve.
PCV manifold grommet replaced. Problem solved - smooth idle @900 rpm.
This video really helped me with my 98 Chevy Malibu. It was missing really bad, cleaned the IAC, now it's running great. Thank you!
Did you have to unplug your battery/reset the cars computer or did you just allow it to relearn the new IAC valve unit?
@@TylerW91 I unhooked the battery to clean the IAC and it had no problem relearning it.
Thanks for the video my guy its my first time fixin up my car and this was a huge help!
Great information! I'm getting ready to replace the IAC Valve on my 1993 Pontiac Grand AM SE 3.3L V6 due to idle surging and engine stalling. It stalls when its idling in park. Idle will recover some when I put it back in drive. Will be replacing the Muffler as well. Thanks for the instruction as well as the follow up tips for the car to relearn the new part.
Hello, great video. I'm going to have it checked tomorrow. I have a 1990 Dodge W150 with a fuel injected 318 V8...
Well done. Thanks for a clear explanation and careful work.
Thank you very clear audio and video was excellent.
Great stuff, I’m going to replace the IAC on my VW Polo classic 1999
My issues with a 1992 FIrebird - 3.1L engine - : The hose end going to the BRAKE BOOSTER came off and caused all kinds of issues - with that back on and some fine tuning on idle from the repair shop - runs excellent! It was not the TPS or the IAC.
Changing one in a 95 Camaro. Thanks for sharing!
This was an amazing video!! Great job on recording and then explains... It was so much faster and easier to understand as opposed to trying to commentate while recording even though it was a quick simple job. Very I formative.. I'm having issues with a 03 2.0 Chevy Tracker with a rough idle. I'm going to try to clean the IAC first as you did.. my only question is, "if the pintle had not of came out all the way would that mean the vavle is still good?"
Audi A4 B5 1997 1.8. Thanks for the video. Have a like!
Going to do a 2005 dodge caravan. Thank you for your video.
Excellent video and explanation 👍
I thank you very much for sharing this video.
I replaced the idle control valve on my 99 Durango. Now rpm are high. Then cleaned throttle body real good. The throttle sensor was changed not long ago also.
Tnx buddy...it helped me alot
Very informative, thank you! My wife has a 2009 Optra wherin the IAC is held with those two same kind of screws, plus the left side of it is attached to the throttle body. It jiggles once the screws are out but won't come free. Any suggestions?
Great info 2003 Taurus ford
Thanks for a helpful video. I have a 91 Camaro 3.1 v6 and each time I replace the iac valve it isles high 2000-2500rpm then drops after driving to 1000rpm at idle however at next startup it repeats the high idle...any ideas would be extremely helpful
This was the most helpful video I've seen to date. I have a 2004 Saturn Ion 2.2 that wants to run away occasionally. Not all the time. FIRESTONE was stumped. I tried to replace the IAC a while back but it was a disaster so I put the old part back in. If you have any suggestions, I would be happy. Thanks.
Would you suggest having the auto shop do it for me
@@tomhouston9124 Do you know your way around under the hood? Do you know what a throttle body is? I ended up doing the job eventually and I learned what I did wrong the first time. It's not too hard, at least not as hard as I first thought. If you're interested, I'll tell you what I did.
2003 Chevy Malibu. Thanks!
The kindle can be reattached, the IAC moves by turning a servo motor there is no limit on it only electrical sensor for resistance so it know when it’s fully closed and it opens to set idle RPM if you had disconnected the battery and allowed the computer to reset it may take a few drives before it knows how far to pull it out for a perfect startup meaning you might have to tap throttle until it gets it’s groove when you’re popped out you just had the thread it back in when doing that always thread it in all the way and allow the car to close the valve rather then starting closed can making the previously stated issue worse
Hi I`m getting ready to replace my air idle valve control in an 1999 Chrysler Sebring 2.5 & is the valve up near the throttle pulleys been a long time since worked on cars, Thanks
I'm going to replace mine on a 1989chevyvrolet.caprice hope it works thank you for the info
Thank you
A 2003 Mitsubishi Eclipse gt. If you can show me how that would be amazing
I’m getting ready to replace my idle air control valve in my 1999 accord v6. Any special advice?
Kia sorento 2003. Replacing it. Rough idle. Aslo irregular high speed . Engine light on.
Nice Thanks man
you can put the pintle back in. Not by turning it because of the slots in the pintle shaft and the corresponding spots were the pintle shaft goes into the IAC body. Just put the pintle into the IAC body, make sure the above mentioned slots in the shaft are lined up with the two little plastic tips in the IAC body that keep the pintle from turning. Hold the pintle in this exact location keeping it from rotating, and keeping the slots in the shaft lined up with the two plastic tips in the IAC body. Then turn the key on. The IAC motor will turn and the pintle will screw back into the IAC body.
Thanks for commenting this mate, I was wondering exactly this as I need to replace the stepper on my Triumph motorcycle and Triumph want $200 AUD whereas the same looking thing for a car is $30. Apparently I just need to swap the "pintle" (plunger), rod and spring from my old one to a new one.
great help thankd
I want to replace my corsa utility 1.4 2008 IAC velve ,tips on how to do that ?
Would there be a possibility that you’d have to take this in for a relearn like when you clean your TB sometimes ?
Thanks 👍
Gonna give it a go tomorrow on a 2011 equinox
going to replace for a 2003 GMC ENVOY
Hi I hope you can help I have a Mitsubishi Lancer 2005 I change the adel but the RBM still go up
If my Chevy Impala 2008 will start fine sounds good but stops when I put it n reverse or drive is it the transmission or air valve stytem?
I will be changing mine for a Chevy Equinox 2017
I have a question for you , I have a 94 gmc 5.7 with tbi when I removed the idle air con val the tip was not on it and could not find it could this cause an engine problem ? truck crank and ran fine with new one just have not driven it anywhere. sorry to be so long but here's the ting the truck had not been wanting to start and run right until after i drove it long enough for it to warm up then would fine. that's when i decided to replace the idle con val and descovered the tip was missing and could not find it. thanks for any advice
1994 suburban 7.4 2wd 2500. Super rough idle Boggs drops and climbs idle..... And I seen it from top of tbi move erraticly in and out. Not steady at all.
Not sure how its supose to operate. But it was moving very quickly
What is better? Replace with new part or clean the idle sensor ?
I will be doing a 2000 lincoln ls v8 have any advice I could use
Hey buddy. I had problems with my IAC and wasn't sure if itnwas good or not. Awsome video really helped me out. Great job andnthanks for making it. I'm replacing on a 97 lesabre in the next day or 2. I'll let u knownif it is a success or not
You’re welcome
Dude, you never replied if it worked or not.
Yes it did. Sorry
Just changed the idle control valve in my 2005 ram 1500 . Do you have to disconnect the neg.battery before or after because I didn't and idle doesn't surge anymore but if I let up on the gas and hit the brakes it dies now. I also didn't reset it .these are things I didn't know I had to do.
I have a 1994 Olds Cutlass Supreme S 3.1lt and that was exactly what is going on in my car.i took it to Firestone for what I thought was an electrical issue, but everything was ok in that and also they were NO vacuum leaks.It would seem to me that they could have checked that before they said they couldn't find anything wrong, cause I did tell them that it was cutting off I learned something, but do you know what the cost for a shop to install one? The tach was dropping off from 1000RPM.
Is that the same way as the 1986 Pontiac Firebird 2.8l AutOdometer
My 96 Lincoln Town Car tends to stall when I put it in drive and/or when I stop at an intersection. Is that an IAC issue as well?
Hello, I will be replacing an idle air control valve in Nissan Sentra 2002. Will I need to relearn it or it can relearn as you said in your video.
Please help. Adam
2005 opel corsa lite 1.4. I replaced it, but now my car cuts out. Do I need to get a new one? How do I adjust the idling as its idling too high?
Will be replacing the IAC valve on a 1993 Buick LeSabre custom. Just waiting for the part.
Got it done. Thanks for your help. Great community.
About to replace mine on a 2001 Mazda protege lx 2.0
What spray did you use to clean it with???
Yep, it's an 05 3.4 impala but basically the same setup. thanks.
Having trouble with my 2007 chevy impala. When driving the engine bucks and the tach drops to zero and runs rough until you reset the engine by taking off the battery negative cable, then it run normal until it bucks again and runs rough again what could it be
07 versa with 144000 miles my sister bought it used. So I think its time what you think? I replaced the coil packs and plugs the was gapped at 75 should have been 43 lol! That PCV and hose might have it idling all high I took the intake off and cleaned it now it want relearn with that P0507 code strewing things up. Check for leaks with soapy water and go from there tomorrow???
I will be replacing the idle sensor in my 1991 Plymouth Laser.
96 oldsmobile Cutlass Supreme 3.1L. Old one was bad and electrical prongs looks like they were fried but the plug itself looks normal. Anyways, bought a new one, installed it, and now when I start my car the rpms are right around 2 grand at idle but if I shut it off right away and restart, the rpm are around 1 grand. After I drive it, put it in park or neutral, rpms are back at 2 grand. Am I missing an adjustment? I read the instructions b4 I installed it and followed them but my idle is never steady when I start and restart. Noticed that if I press the pedal b4 I start the engine, it usually is at 1 grand idle. Never had to install an IAC before and wondered if I need to manually adjust the idle arm. Any thoughts of advise?
What if I just started it up cuz I did with out disconnecting the battery n now it won't start u think I blew my starter?
replacing idle airt control valve in a 2005 impala ls with 3800
'96 Olds Cutlass Supreme 3.1L is idling at 4K rpm. iac looks clean... I'll pull it again and see if it moves when the key is on/off. It's hard to drive a car that wants to idle at 60 mph.
Replacing on an 02 Pontiac Bonneville
Getting ready to replace mine on 2001 chrysler pt cruiser
That's cause Chrysler is Ass
Lol I agree !
GOOD VIDEO !!! These are Cheap these days... I found them on eBay from $8.00 - $10.00. If you have problems with these IAC Valve... Just replace it :)
I know some parts are cheap now days. With eBay and Amazon you can’t go wrong at least replacing it.
Changing one on a 96 dodge intrepid.
what size are the idle air control screws
I have Nissan sunny 2002 i have same problem my ideal air control valve is stuck open and not moving back valve and my car is not running ideal mood is it cause the problem
What cleaner did you use? @AutOdometer
Can you re screw the pin into the valve?
I have an issue with my 2004 mazda 6 type S it has the 3.0v6 when i was driving it down the road the check engine light came on and then when i would accelerate it would stumble unless i accelerated alot to almost passing gear but trying to drive it thats all it does now anytime i give it gas nyst stumbles and jerks
Does a 1982 corvette cross fire have 1 or 2 ICV's ?
Is that normal for idile valve to pop lean out wit springs if not far I’m
Sure it’s not meant to fall that a sign it’s broke
I'll be replacing one for vw golf 3 Gti
What would happen if the icsv is disconnected when engine is running???
Replacing the valve on a 01 cadillac deville dts
2012 Chevy captiva 4 cyl. Location is issue for me...?
Hi ... I have 91 tpi bird ... would this be the reason of my car went off whith RPM went to zero ?
2003 chevy impala
Excellent video. I'm having an issue with my 2003 Impala because it starts hard only in cool/cold weather and the engine has been run warm. The engine will fail to start on the first crank and it takes 2 or 3 tries and then starts and runs normally, and I have no other performance issues. I have no issues when the engine is hot and no issues with starting in the spring and summer seasons, only fall and winter. Two years ago I had the both the crank and cam position sensors replaced (hopefully the shop didn't screw me) but the problem has persisted. I know that it must be due to a faulty temperature-related sensor and I've also considered the intake air temperature sensor but have never tested it yet but I swapped the IAT sensor with my 2005 Impala's (which is the same part and I have no similar issues with the 2005) to test but the problem persists. I always try to begin with the cheaper and easier causes and proceed from there, and I'll try cleaning the idle air control valve first. We'll see. Thanks.
So did it work>
@@toshvtosh5469 I'm sorry to say that I've been too busy to try it yet, but here we are in December 2021 and the issue has recurred as expected in the cooler weather. Thank you.
@@DDEENY lol its been a while, have you installed new iac valve yet?
@@HuyQuang-ds7cj Nope. My car is approaching 200,000 miles, the transmission doesn't have long to go and I'm just riding it out until the last.
2005 Jetta 2.5 hopefully it solves the issue thanks
I have the same make & year. Did it work for you?
Lorinda Tapia Yes it did!
Where is the IAC valve located on 2002-2005 Audi A4 1.8T B6 model? My idle is in terrible shape and i need urgent help. Thank you
2006 Dodge Grand caravan 3.8 liter
Can I just simply, without even disconnecting the battery, take the old IAC valve off and install new one, than turn car on? Or do I actually need to disconnect the battery what would happen if I did? I’ve cleaned the part before without Disconnecting but I’ve never completely replaced the whole part without disconnecting then started the engine up. I’m worried the pindle won’t match the old one isn’t that the whole point of disconnecting the battery terminal? 2000 Buick park avenue naturally aspirated
Would this cause low MPG?
Am doing now on my Hyundai Getz 2008
2014 Chevy Cruze
My 2002 Mitsubishi but how much for that part that u replaced is worth?
2004 Mitsubishi diamante
1994 Chevy Cavalier 4 cylinder
Thanks that was very helpful. I am going to put one on my PT cruiser today. I had previously installed the throttle position sensor. But it is still stalling when I stop at stop lights etc. hope this works
did this solve your problem on the cruiser
Stalling while coming to a stop or at a stop sign could also be a failing crankshaft sensor. Happened to me. replacing the crankshaft sensor fixed my problem
Hi. Do you answer to questions? If not my apologies. My 03 Chevy venture only starts when Mass air flow sensor is Disconnected, But when on she idles so high, High & low, But when idle she's so loud and revs like a race car. I changed so many parts already. I can not drive the car in this idleing high condition. If you have any advice please reply back. My apologies for the bother. Thanks George M.
I did the same thing on my car in that work
I have a 1991 camaro Z-28 my RPM Idle jumps feels like wants to shut down I already put new EGR and clean out the throttle body and a new air idle sensor I check for any exhaust leaks “NO” all good so what else can it be they told me it has to much pressure also ??
I am not familiar with that engine. I would check for vacuum leaks before the intake manifold... check all hose clamp fittings and rubber tubing going to and from the air intake between the air filter box and throttle body as well as any vacuum connection to the air intake manifold
1997 Honda Passport 3.2 v6