How to Fix a Car that Idles Poorly (Idle Air Control Valve)
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- Опубліковано 15 чер 2015
- Idle air control valve replacement. How to replace idle air control valve in your car, DIY with Scotty Kilmer. How to fix a car that idles poorly by replacing the idle air control valve. Idle air control valve location, diagnosis, removal and replacement. DIY car repair with Scotty Kilmer, an auto mechanic for the last 47 years.
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Things I used in this video:
1. OBD Scan Tool: amzn.to/2jI0Q4d
2. Adjustable wrench: amzn.to/2nq9fP0
3. Disposable Gloves: amzn.to/2zSRuxO
4. Shop Towels: amzn.to/2jxKone
5. Common Sense
6. 4k Camera: amzn.to/2hZ4AxX
7. Mini Microphone: amzn.to/2newgV9
8. My computer for editing / uploading: amzn.to/2i2sKYz
9. Video editing software: amzn.to/2jv5Fhf
10. Thumbnail software: amzn.to/2k7tz6C
🛠Check out my Garage to see what I use every day and highly recommend:
www.amazon.com/shop/scottykilmer
❗️Check out the Scotty store:
goo.gl/RwhRGU
👉Follow me on Instagram for the latest news, funnies, and exclusive info / pics:
goo.gl/ohy2cA
Thanks again Scotty
I have a 1992 Chevy G20 van
I replaced that ICV and spark plugs....watching your video's has helped me out greatly😊🤗
My van is running almost next like new! Thanks again Scotty😎😎
Scotty Kilmer was the car losing power? Was the car idle rough when you put it into drive or reverse?
Hi kilmer
My gmc idle high in park is that my problem to
I have looked and looked and never can I find a better source for diy for the average guy you can also put a paperclip or wire in the top right plugs of the obd port. But thanks
I swear Scotty, every single repair I'm going to attempt, you make a video for it the week of, it's just crazy.
That was a very generous squeeze of that sealant!!!
John Daly jesus
😂
What kind of sealant is that???
🤣lol u trippin
Sooooo GREASY!! LOL. 😆
Thanks Scotty, I have done so much to my car and truck because of your videos. Change oil/brakes/spark plugs, repair A/C, and so much more.
Scotty your videos have helped so much. Thank you for the service your provide for all of us
Thanks for all your videos Scotty!
Thanx again Scotty...the tip about the newer vehicles needing a break in period for the computer to adjust is just the type of info guys like me need. Cheers buddy.
wow !!!!!!!you are really an god gifted personality, who tries to help others through your detailed videos and its very clear cut.let god be with you man.
Hi dude ,just wanna say thanks for the vids,so far i've repaired my jeep my bike my generator and my lawn mower all with your helpfull videos,good man yourself
Thank you my sister called and asked me what was up. Knew it was the idle but needed to know the fix. Your awesome. Thank you
Always something to learn on your channel Scotty.
Not only does Scotty do quality work but has a voice I enjoy listening to. Scotty, please read e books.
Man, I really do enjoy your videos Scotty. I have found out so much more information from your videos! I own a 1992 Toyota Celica ST184, I love watching your videos it helps me out very much!! Thanks again Scotty!
Gonna replace the IAC valve on my 03 Impala today. Idles rough but when I give it gas she goes! It's a 16 year old car so I'm guessing the valve is factory.
Thanks for the lesson Scotty!
This is going to help me with the Intermittent Idle on my 1995 Chevrolet S-10 pickup.
Because it has been driving me crazy, as to what the real problem is.
THANKS Scotty.
Thank you Scotty, definitely helped me with part of the issue.
I found with a car that I have, after doing this the idle was all over the place.
I disconnected the battery, for about 60 minutes, reconnected it, & everything was fine afterwards.
I hope this, tip, helps someone, cheers.
Gonna try that, took mine off replaced with a very clean like new looking one from my favorite boneyard, been fine for few yrs. Times were tuff back then, guess I'll price a new one. Old Vulcans are good engines, no timing chain and roller lifters. Has 200000 on the clock knock on wood, a good work car. Everything works. Oh and when you disconnect the battery turn the lights on, drains capacitors.
Hey Scotty, thanks for the wealth of information I have gained from your videos.
I do have an issue with a car and was hoping that I could pick your brain.
I have a 2002 Buick Regal Supercharged GS - 3800 engine.
I suspect it may have a bad IAC valve but I have no OBD tool. My buddy used his and it showed no codes but my SES light is on. It was not on before. It did show that it is running a bit rich. I think it had a reading of zero point 7 - '0.7''
Also the car sat for a couple of months before I replaced the water pump (which blew and the car overheated slighlty. Do not think any damage was done to the engine at the time),. Also replaced the main serp belt (as opposed to the supercharger belt), and a couple of vacuum lines (Purge contol valve line and the sup charger harness assembly)
- The car idles rough but has good power. Maybe too good. It appears to be running too rich. Also when I start the car (especially when cold) the accelerator is sticky and I need to really press it down to start it. The pedal seems fine after that.
Any help is appreciated!
Thanks,
Tim
As I was removing the idle air control valve it was so brittle on my 92 toastmasters that the metal threaded portion broke off leaving the threaded portion still in my throttle body so he careful this is not An issue you will enjoy.thank you Scotty though for the endless help you have been as I'm working threw bringing my grandfather's car back to its former glory.
Thanks Scotty, love the videos.
Hello Scotty thanks for the videos. I have a 2000 Nissan Maxima and it started sputtering about 4 weeks ago. We changed several coils and it was working just fine. Then about 2 weeks ago it started sputtering again. We looks closer and found a missing intake piece and replaced the main intake device the air filter connects to. Still sputtering so we replaced all the spark plugs. Sputters a just a little, but now we have a fume coming into the car giving a headache. We got a carbon reader nothing came up and we have no codes on Blue Reader device. How do we find the fume leak coming into the car?
I revved up my engines. but soon realized that I only had one.
Hey Scotty Kilmer how are ya!? I just fixed my 99 land rover discovery 2 4.0 v8 today, I got a new maf sensor and 02 sensor and fitted them but I had to get the system reset so it recognized the new 02 sensor but when I got it reset the was a problem there still, on futher investigation the IAC was disconnected so I reconnected it and she was all good. I'm just amazed that the system didnt put a check engine light on. It was still drivable but lacking in power big time. Cheers Scotty keep up the awesome work! 😁👍
just wanted to say thanks your videos have saved me a ton of money they are rite on thanks again
Hope you enjoyed your vacation. Good vid.
Thanks for the video! My 88 olds cutlass ciera has been having a weird idle and I pulled a code 35 so going to try this fix. Cheap bastard tip: I didn't use a scan tool just a paperclip to short the 2 diagnostic pins together and you can pull codes from GM odb1 that way.
My first car, which I loved, was a 1995 Cutlass Supreme. I hardly ever replaced anything beyond brakes on it, it was absolutely fantastic, but... I did replace the idle air control valve TWICE in 8 years. GM just did not do a good job with that specific part. Funny enough, in a fit of nostalgia I just bought an almost perfect ‘97 that somehow has escaped the ravages of time... but I’m nervous about that damn idle air control valve haha.
thanks for the diy Scotty.
Thank you, Scotty! You're a genius.
The video that has been shared to us are very helpful , Mr Scotty has given an ideas on how to fix our own car and not to respond of any negative expressions .it's up to you either to apply or not..or you going to autoshop service and expend money. Thank you for this great videos, God bless Sir Scotty.
love it! must try this too
I wish you'd made this video 7 years ago, would've saved me a lot of trouble. :)
In my case, it was intermittent, on a late 80s Nissan. The IAC was dirty and sometimes it would idle poorly, and sometimes not at all. Cleaning the IAC made it all better.
Hey Scotty love your vids they help me a lot. Question! What can cause the car which isles fine when ac is not on, to surge up and down a bit while the AC is on?!
OMG! I'm the wife AND the "car guy" of the house. You are awesome!!
Scotty... i need help. Im looking for my idle air control valve on my 2007 honda odyssey. I cleaned the EGR valve and some air sensor on top of the throttle body. I see something else on the side of the throttle body but im not sure if that what im looking for. Thanks for all the videos.
Hey great video I really enjoy all of your work but I had a question about my van. She's a 1995 dodge grand caravan and every time I start the van the idle goes up normally but than drops as it's loosing power. The problem is even worst when I place the car on park. The rpm drops very low almost as if the car is about to turn off and in one occasion she has turn off on me when I place her on park. Everything begins to start turning off including the lights. Another problem I have with this van is the everytime I turn there's a pop noise in the back, and just recently, something seems to be causing a very weird noise when I break. Kind of like the sound of water dripping or like the sound you get when you drop something in water (its coming from the back of the drum breaks. I've check and there is no leeks as you mention in your breack videos. The last thing is that my car won't go forward like a normal car would on ramps and ends up backing up on cars behind me. any thoughts on what is going on?
Again your videos are amazing and always very informative and fun to watch
hi scotty great video. how can i find the Idle air control valve on my car .
where does it usually connect to? what lead to follow thanks!
Scotty, what's your best recommendation for a scan tool that can pull most SRS/ABS codes across all makes? I have techstream now but as you may know, it only is for toyota. I also have HDS.
Auto shops must really hate you lol, you save us thousands scotty, thanks!
Scotty my 92 ford tempo idles rough and then eventually dies when in park or drive could this be the reason? I already replaced the cap and rotor, wires and tested the beer valve I'm at a loss for words help me if you can. Thanks love your videos
LOL on the gas prices. Hey Scotty great video. short and to the point.
How can you extend the new iac so the pintle and spring will fit in the housing like the older one does? I had to replace mine and don’t know how to extend it? I read if you try to extend it out you can damage the part. Like Scotty said in the video the computer extends the iac out. Do I just put it in the car without extending it even tho it won’t connect into the housing? Just want it to work properly?
Scotty Kilmer is a legend.
thank you berry much! this helped a lot!!!
Thanks Scotty, I have learned much from your videos. I'm suspecting the idle air control valve on my carbureted Toyota is needing re & re or t l c...the carb cleaner directions say to apply it while vehicle is running . I like your instruction better to wipe the gunk off with a shop towel.
Hi Scotty. I have a 93 corolla that starts but shuts of immediately UNLESS it's warm. the car runs amazing warm, but will only keep running if i pull a vsv hose directly out of the intake manifold. does this sound like a IAC valve? I've already tried replacing the VSV
Hi scotty, I have been following you for a while and some of your video helped me solve a oil cumsumption problem (PCV valve). But I also have some quetion: My car feels like kicking whe it changes (shift) from 1st to 2nd gear driving slow but it doesn't happen if I step hard on gas pedal
Wow baddabinbaddaboom!! Looked so easy thanks
Hello scotty, my car recently developed a idle issue. It idles at around 500 when it's a operating temp and at cold it runs at 1000rpm like it should. Wondering if it could still be the iac.
Hey Mr. Kilmer, great show, started watching you last week. My '02 Mercury Cougar will go back and forth between 500 at 800 RPM at 1.5 second intervals over and over when stopped. It wasn't always doing this. Would you suspect the same problem as this videos vehicle?
Men Scotty we love you...your the best mecanic out there..
Scotty, I have a 2012 Chrysler 200 V6 with 57000km idling around 600 rpm instead of the standard 750 rpm. Any recommendations?
I love this guy.
Scoty you are the man. New subscriber here
another great video man thanks
ty so much for your time Scott you should do a how to video on Santa Fe there are really hard to find any videos on than
Do you happen to know if a 2002 Mercedes C230 has an IAC valve. If so, where can I find it.
thanks for all!!!the help very useful !!!!!!!!!!!!!!!!!!!!!!!!!!!!
Hey Scotty, just wanna ask, I have a chevy spark and is it normal for a four-wire iac valve to gradually become hot when the ignition key is turned to on position?
Hey Scotty, I have a 1988 Chevy Silverado 1500 I replaced the idle air control valve an now my rpms are at 1,000 with the old one it was at 700 rpm...do I need to set my timing back to 0 degrees
hey Scotty, i have a 95 Saturn Sc2 and my gas pedal is pushed in and when i start the car, it jumps. Sounds completely off when i rev it as well. I just put new spark plugs in last night (i did it for the 1st time, so i dont know if i messed up or not, some how) but now im having this problem. Before i put the new plugs in, this wasnt a problem. So did i damage anything?
Do you have to disconnect the battery or anything before replacing the valve?
Hey Scotty, kind of a weird question, but what's your personal checklist to see if a car is road-trip ready? Would a video on this be possible?
Uncle Grim Check all fluids and tires including shit spare...
Hi sorry mistake, not sure what is happening to my car.
Thanks Scotty!!!!!
Hello Scotty! My car (an european 2006 Ford Focus mk2) powered by an 1.6 16V ti-vct petrol engine and 5 speed manual gearbox has some light vibrations when starting the engine in the morning or after a few hours of stand-by. The simptoms occured after I've changed the oil, filters and spark plugs. All the items are with the right specification. Also the fuel consumption is higher (2 litres more/100km) and the spark plugs are smoked (the one from the 1st cylinder more than the others). I"ve cleaned the throttle body and the maf sensor but no improvements. The symptoms happen only on first start of the engine when idling. After the engine is hot, everything is ok (no gas cut or something la that) , except the consumption. What should I check? Could the pcv valve be the problem? Many thanks!
I have a 94 Chevy 2500 454
Manual trans
At about 2000rpm it sometimes the rpm bouches feels like it’s missing
Just had new distributor and plugs wires replaced ?
Hahahaha. I was searching for the IAC replacement video. Low and behold, Scotty comes up.
hey SCOTTTY , ruff idle whats the difference between Idle Air Control Valve vs EGR , both seem to have the same symptoms
could you make a video on idle cut-off solenoids on carburetors?
Had this problem with my 1992 Bonneville, replaced it and it ran good ever since, only issue now is the A/C system, I think it's just low on refrigerant.
This guy lives close to me :) I may have met him when I was younger.
We have an old Chevy similar to the one in the video, it has a bit of an engine skip, but it runs very well. What do you think it could be Scotty? ( it's a 1990 1500 with 243,000 some-odd miles)
Hi Scotty, Im still having trouble with my corolla 2003 vvti, I replaced the throttle position sensor and cleaned the air intake sensor and gave it a full service but the problem is still there, idling at 600 rpm and when I accelerate it takes a while for the power to kick in and it's kind of a jumpy spluttery acceleration, also fast puffing from the exhaust, orange engine light flashes 20 times, what could it be? thank you.
Hello Scotty I replaced the air control value sensor on my 94 silverado. I unplugged my battery to reset the memory I still have the service engine light on. Any tips on how to solve this issue?
Scotty, do you know where or have an image of 2013 subaru legacy location of the idle air control valve?
Would an 09 pontiac g8 jave an idle air control valve?
Hey scotty I have a 06 magnum that turns off while driving can you reprogram ecm or should I buy a new or used and dose it have to be a same model I have a sxt can i put in one from a base model
Scotty u plain and simple rock
hi there can you tell me where the idle control valve is located on 2003 nissan altima 2.5
Hey scotty i got a 92 caprice throttle body intake 305 that idles high is that something i should worry about? What would cause that in my engine ?
? on my 1994 Cadillac Eldorado i had removed the IAC valve cleaned and opened, plastic gears came out, i tried my best to put back together. put it back on next day drove on the freeway and car turned off. fml. should i replace?
would this be a problem on a 06 navigator too?
Hey Scotty I'm looking to change my iacv and shopping online prices. They range from $8.00 to $148.00. They look the same on the description is there a difference?
Hey scotty, i have a misfire and map sensor code. I've changed the map sensor, plugs, wires, coil packs, vacuum lines, injectors, checked for vacuum leaks and clogged air intake but i can't get rid of the misfire and the map code. What could be left to cause that? Thanks in advance!
Hey sir. I have a similar setup. And my truck is over heating to the point in the cab where my feet go (in the middle) it gets hot. Also my exaust manifolds get realy really hot. I rebuilt my throttle body injector system. New idle air control valve, took apart the tbi apart cleaned with carb cleaner and replace all the gaskets. Fire stone said I needed a new tbi system and to close the gap between my exaust manifold and the muffler pipe because there's a gap and lots of air and noise is being made. Would having that gap where the 3 bolts and spring are cause over heating?
Hey scotty can you plz tell where I can find or help locate Idle air control valve for 99 Lincoln town car pleaseeeeee help
Thanks
i have a chevy tracker can you tell me where the negitive cable terminates
Hey Scotty. I’m hoping u can lead me in the right direction. I have a 350 tbi blazer with an up n down idle problem when it warms up or put it in gear. Not only that, it struggles to get the rpm up when driving or just trying to rev it up. All this started when my dizzy went out on me while driving. Replaced it 2x, replaced iacv, map, tps, plugs n wires and still nothing. Any ideas?
Hi scotty,
Need your suggestion,
I am having an issue with my corolla axio 2007.
Suddenly the RPM goes high by 3000rpm, The auto butterfly, VVti sensor, Other sensors are also being replaced, But same problem occurs.
Every time i disconnect the buttery, It become normal, then again repeats once in a week or more.
Pls suggest me what should i do ?
Nice info. Thank you. I'm still getting idle issues with my old 94 tbi suburban 7.4liter.
Last year replace temp sensor in front of engine. Seemed to work. Then later on Thermostat failed. Replaced thermostat with same one and idle is very bad. Temp never reached 210 how it used to. And engine does when put in gear now. After I feather accelerate to get it going will run somewhat ok but still feel it acting like IAC valve opening and closing making engine stumbled and most of time dies.
Fuel pressure good. 19psi.
Injectors look good. Rebuilt. Kit
Yes we're some 20 year old parts so what heck replacement of all. Even distributor. No change. Still does same thing. I really like this suburban. Hate to sell it if I can't fix it. I'm replace the engine coolant Temp sensor again. Hope it helps. Any comments please help.
Base idle 4degree. Set correctly.
Has tune up. Good oil. Fuel filter always changed
Allnvac lines good.
Tbi base gasket good to. New.
No codes. No check engine light.
Once warmed up runs almost perfect but not.
my toyota corolla idle is a around 2. do i have to adjust it or buy a new one
Hi Scotty, you should make a how to check for flooded veichles sinse we are botb in houston you u is bad i know you did one already but maybe got new advices
Love that van.
Scotty , I have the same engine as the truck in this video except it’s Chevrolet . When I replaced the old IAC the electrical clip that plugs into the IAC the pin protectors somewhat broke off where it goes into the IAC . Will this cause problems? I noticed in the video the clip for this IAC in the video for this truck is somewhat broken off . Will this cause the IAC to function improperly??
Hi Scotty, I have a manual transmission problem. The gearbox was refurbished by a previous owner not long ago but there's a problem, every time I downshift into 2nd it grinds but if I go very slow and downshift it doesn't. Any idea?
I have an alleged 2004 Taurus SEL with Dohc, and yet, when I tried to replace or clean my IACV, I saw a sticker that said I should not clean the valve, and while the hole openings were circular, the stock 2004 Taurus SEL replacement IACV had trapezoidal openings. I am trying to understand how to tell if my engine in this used Taurus is actually the standard engine. The part that should fit seems to come from an OHV flex model, which my car is not, based on the gas cap and seller info I got when I bought. Can you please advise? Thanks.
I have an 89 K1500 Silverado. Is that IAC by chance connect to underneath near the front axle / 4wd area? I have a 4 prong wire disconnected an looks just like that. Not sure what it’s to
Scotty, I have a Honda Crv 2015, it vibrates allot when idling, parked, or just braking.
Hi Scotty,
Where can I find Idle Stabilisation Control Unit on a 1991 Jetta GLI 16v 2.0 that idles really high by itself??
I have a '99 expedition 4.6L Triton V8 that will randomly rev without my foot on the gas while I am idle... Do I need to replace the wiring harness or is there another solution?
I have a 85 bronco 2, rebuilt the carb, new fuel filter, idles really rough, new fuel pump maybe?