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How to replace an idle air control (IAC) valve

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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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21 авг 2024

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Комментарии : 232

@AutOdometer 6 лет назад

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. ru-vid.com/group/PLBswVpqDrWxS5gWH6NyI4i9o-wRLztOCu

@briansandage4735 4 года назад

Same on 2002 impala 3,4?

@seancoulter4083 2 года назад

Would this be similar to my 05 chevy impala?

@nikkischleppe1940 3 года назад

I'm looking at replacing the IAC valve in a 95 mystique, this so far, is the most helpful video.

@darnellwillis4450 3 месяца назад

Dropped mine in the engine bay,had to go looking for it.

@Bikewithlove 4 года назад

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.

@AlrightRiding 4 года назад

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!

@chrisrupe3244 5 лет назад

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!

@TylerW91 2 года назад

Did you have to unplug your battery/reset the cars computer or did you just allow it to relearn the new IAC valve unit?

@chrisrupe3244 2 года назад

@@TylerW91 I unhooked the battery to clean the IAC and it had no problem relearning it.

@andyvet7637 2 месяца назад

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.

@elainemcpike345 Год назад

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.

@jjjww975 3 года назад

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.

@robinehrlich8295 2 года назад

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.

@kurtlarson1151 2 года назад

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.

@xsr_dirt 6 месяцев назад

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.

@alanschwartz1157 4 года назад

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.

@tomhouston9124 2 года назад

Would you suggest having the auto shop do it for me

@alanschwartz1157 2 года назад

@@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.

@michaelhardy6879 4 года назад

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?"

@LeathermanSoftwash 3 месяца назад

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

@azbigboy0007 5 лет назад

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

@sherrishopshire4118 2 года назад

Changing one in a 95 Camaro. Thanks for sharing!

@snaileatingcucumber5184 4 года назад

Thanks for the video my guy its my first time fixin up my car and this was a huge help!

@JodBronson 6 лет назад

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 :)

@AutOdometer 6 лет назад

I know some parts are cheap now days. With eBay and Amazon you can’t go wrong at least replacing it.

@TagCavello 4 года назад

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?

@frankmcnew 5 лет назад

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

@AutOdometer 5 лет назад

You’re welcome

@10SecondZ06 5 лет назад

Dude, you never replied if it worked or not.

@frankmcnew 5 лет назад

Yes it did. Sorry

@joselopez1544 5 лет назад

Kia sorento 2003. Replacing it. Rough idle. Aslo irregular high speed . Engine light on.

@joycemassey6104 2 года назад

Great info 2003 Taurus ford

@azizgry70 9 месяцев назад

Excellent video and explanation 👍

@margieladely3643 3 года назад

Thank you very clear audio and video was excellent.

@abrahamwoldetsadik3672 3 года назад

Great stuff, I’m going to replace the IAC on my VW Polo classic 1999

@troublesomebandtv2953 2 года назад

Gonna give it a go tomorrow on a 2011 equinox

@angeliquetranmer3478 22 дня назад

Hi. Im changing mine on a Peugeot boxer 270 camper 2000 soon.

@Benjbugarin 5 лет назад

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

@jeanlouisroederer5140 2 года назад

Well done. Thanks for a clear explanation and careful work.

@ldeal89 6 лет назад

A 2003 Mitsubishi Eclipse gt. If you can show me how that would be amazing

@craigtomlinson7789 6 лет назад

Hello, great video. I'm going to have it checked tomorrow. I have a 1990 Dodge W150 with a fuel injected 318 V8...

@mrcurator4207 3 года назад

'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.

@Mr1972chevelle 5 лет назад

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

@fr33bard78 3 года назад

2003 Chevy Malibu. Thanks!

@widtrak77 5 лет назад

Best way to do idle relearn is to set parking brake and block the drive wheels. Start the engine and let in get to operating temp. This could take 7-10 minutes. The idle may fluctuate widely during this period this is normal. The computer is configuring the pintle positions. Let the engine idle for an additional 2-3 minutes after reaching operating temp and the idle is smooth. Done

@widtrak77 5 лет назад

I left out an important step.🙄 Transmission must be put in DRIVE. Hence the reason why you must block the drive wheels

@kielholden7613 Год назад

Will this work for obd1 car

@widtrak77 Год назад

@@kielholden7613 these are the instructions for OBD I vehicles

@funguy7979 3 года назад

What spray did you use to clean it with???

@williamsailers9933 5 лет назад

Will be replacing the IAC valve on a 1993 Buick LeSabre custom. Just waiting for the part.

@williamsailers9933 5 лет назад

Got it done. Thanks for your help. Great community.

@spalencia13 3 года назад

I will be changing mine for a Chevy Equinox 2017

@bradlehman1537 3 года назад

Yep, it's an 05 3.4 impala but basically the same setup. thanks.

@Love_I_am 2 года назад

I thank you very much for sharing this video.

@williamrandolphjr6807 3 года назад

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.

@stephanie8327 Год назад

Would there be a possibility that you’d have to take this in for a relearn like when you clean your TB sometimes ?

@mr.jman101hauntspawn-inc.9 5 лет назад

Getting ready to replace mine on 2001 chrysler pt cruiser

@collinabell9039 4 года назад

That's cause Chrysler is Ass

@bettyguzman7130 3 года назад

Lol I agree !

@TobyDenney 4 года назад

I will be replacing the idle sensor in my 1991 Plymouth Laser.

@DDEENY 4 года назад

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.

@toshvtosh5469 2 года назад

So did it work>

@DDEENY 2 года назад

@@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.

@HuyQuang-ds7cj 2 года назад

@@DDEENY lol its been a while, have you installed new iac valve yet?

@DDEENY 2 года назад

@@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.

@akanecortich8197 4 года назад

The pintle kept unscrewing because it met no resistance. Too bad you couldn't screw it back in..

@kurtlarson1151 2 года назад

You can. 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, and turn the key on. The IAC motor will turn and the pintle will screw back into the IAC body.

@adamarek3009 Год назад

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

@JasonSmith-qx3zh 4 года назад

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???

@ferdymaans733 3 года назад

Tnx buddy...it helped me alot

@EdHall-g6j 9 дней назад

I have a 1991 Buick century needs idle control sensor how do I replace it

@louismccann7306 2 года назад

Replacing on an 02 Pontiac Bonneville

@keithhairston8238 3 года назад

I'm going to replace mine on a 1989chevyvrolet.caprice hope it works thank you for the info

@melonsdoesvr3775 5 лет назад

Going to do a 2005 dodge caravan. Thank you for your video.

@sdj7122 6 лет назад

What is better? Replace with new part or clean the idle sensor ?

@exponent5290 2 года назад

1994 camaro. used to run like shit, now it doesn't run at all. my IAC valve was beyond cleaning so i'm replacing.

@barbaraeskotter9301 2 года назад

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.

@Nicolairendbol 4 года назад

Audi A4 B5 1997 1.8. Thanks for the video. Have a like!

@alejandroesquivel2914 5 лет назад

2005 Jetta 2.5 hopefully it solves the issue thanks

@lorindatapia3514 4 года назад

I have the same make & year. Did it work for you?

@alejandroesquivel2914 4 года назад

Lorinda Tapia Yes it did!

@mikehughes5008 11 месяцев назад

Not sure yet what my car's problem is but I suspect the idle air control valve. I have a 2002 VW Polo 1.8 that won't idle.

@l-kaneoxnard8057 5 лет назад

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 ??

@AutOdometer 5 лет назад

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

@jongames8521 Год назад

I have an 88 Supra, I've put a lot into her and now she's idling at about 650, which wasn't the case until about two months ago, I'm hoping it's the IAC and not a cat issue. 😭

@robertfield8397 5 лет назад

replacing idle airt control valve in a 2005 impala ls with 3800

@stuartminichiello6957 3 года назад

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

@jimwatson7368 3 года назад

2006 Dodge Grand caravan 3.8 liter

@arturoaguirre8327 2 года назад

great help thankd

@rkghmusic4092 2 года назад

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

@jessyarenas5293 4 года назад

Why is it important to disconnect the negative cable from the battery for 15 minutes before starting the car after replacing the IAC valve?

@mido2752 4 года назад

Hi I hope you can help I have a Mitsubishi Lancer 2005 I change the adel but the RBM still go up

@kevinmarillier9640 2 года назад

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?

@sibongilemokwena170 3 года назад

I'll be replacing one for vw golf 3 Gti

@giaellington1276 4 года назад

going to replace for a 2003 GMC ENVOY

@JohnJackson-re4wo 4 года назад

Is that the same way as the 1986 Pontiac Firebird 2.8l AutOdometer

@torrianomoore765 2 года назад

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?

@haydenpottkotter3966 4 года назад

What cleaner did you use? @AutOdometer

@annatsele5430 2 года назад

I want to replace my corsa utility 1.4 2008 IAC velve ,tips on how to do that ?

@Moguns57 5 лет назад

About to replace mine on a 2001 Mazda protege lx 2.0

@shaneoja4755 3 года назад

Am doing now on my Hyundai Getz 2008

@alexhunley9438 3 года назад

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

@M3GAN3116 2 года назад

Thanks 👍

@geo8055ful 5 лет назад

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.

@joshuaalexander2948 3 года назад

Replacing the valve on a 01 cadillac deville dts

@jimmyburcham605 3 года назад

I'm replacing my IAC valve on a 90 model Chevrolet pickup

@PDSTOMPER13 5 лет назад

2004 Mitsubishi diamante

@laurenholley2373 4 года назад

I’m getting ready to replace my idle air control valve in my 1999 accord v6. Any special advice?

@gregmccorrister4061 3 года назад

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

@kayone8571 2 года назад

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

@jeffcarpenter6306 3 года назад

2010 GMC Acadia

@tomhouston9124 2 года назад

1994 Chevy Cavalier 4 cylinder

@nadeemulde7777 2 года назад

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

@T.ring91 5 лет назад

So what was the issue you was having? Would run alright cold but once it warmed up it would not stay running at an idle or ? Thats what i got going on with a 3.1 right now and thinking its this valve.

@Mellizano 4 года назад

I have this exact same thing going on 97 Cutlass with the 3.1. Did you replace the IAC valve? Did it work?

@ahoorakia 5 лет назад

torque the screws to 27 inch pounds ,not foot pound!!!! press the gas pedal slightly (less then half way) hold it and start the car for 5 second,turn the car off for 10 second or more,and restart the car ,it should be set and car should idle normal

@bleachyourwork 4 года назад

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?