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How to Fix Engine Idle Problems in Your Car (Rough Idle)
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- čas přidán 24. 01. 2010
- Idle problem. How to fix engine idle problems in your car DIY with Scotty Kilmer. How to fix and repair a car engine that idles poorly, rough, or low. Car idling rough inspection, troubleshooting, and ways to fix the problem. DIY car repair with Scotty Kilmer, an auto mechanic for the last 50 years.
Thanks for watching!
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Scotty Kilmer lol what the heck you're weird Mr. Kilmer
Hahahaha ........HD cam
Scotty Kilmer hey i have a 2003 chevy cavalier right i went to check my air filter and when I took it off and i took the one to the throttle off also to see if it was dirty but I noticed oil and water in my hoses can you let me know what is that from
Andrea Zapien tyui887787777777877777i88u0
Scotty Kilmer ahh, where do I get the common sense at man?
If only ALL MECHANICS were honest and enthusiastic like you Sir..
Unfortunately life is cold
Can you really trust a man with dirty hands?? 🧤🤣
Scotty is a God
There are. Small shop are honest onwer because they give good service so people alway come back to them. And they bring their families with them as well. I have trusted mechanic guy who fix my car and my family car. He told me what need to be change. And we pay for what need to be fix.
in my town, seems like they run away from jobs .
-“are u sure you wanna replace engine? doesnt drive at all? “
My car was stalling and nobody knew the reason, I did this and it stopped stalling and idles so much better! Thank you Soo much! Keep making videos your helping a lot of people!
My car vibrates like it would be an earthquake lol
Mr. 94 McCloud right I currently used it after my car stopped in the middle of the road and now it’s good as new I’m mind blown.
@@jaskajokunen3716 motor mount
What spray?
@@jaskajokunen3716 is it suppose to vibrate ?
I combined this process with a fuel system cleaner and was blown away by the results. Thank you for the great video!
If your engine is GDI use gdi valve cleaner and you will be more blown
Bassam salim wats gdi? My car idles rough sometimes. It’s not all the time. Like today after I got off the freeway after about a 15min drive doing about 70-80mph. When I got off and stopped at a light I noticed it idling pretty rough.
He is literally the best guy to explain these car problems short and clear.
5 stars you saved millions of dollars for people.
You saved my car and my cousin’s car. Idle was low, therefore AC was bad and power steering was bad when turning. After we cleaned the throttle body as you described, the car now runs like a brand new and idle if perfect now. Thank you so much and keep up the good work
This worked fantastically got my idle from 300rpm, from where it would just stall,up to 800-900rpm where it almost purrs !
I was quoted $3,500 for a replacement engine or $2,500 to replace cylinder head so $5 for a can of Throttle Cleaner makes me very happy, thanks Scotty.
It’s not 5 dollars but I get what your saying it’s better then spending 3,500
@@mikegoof_9425 this was when trump was president……
@@jessealdridge9920 😂😂😂
@@LivingTheReddLife 🤷🏿♂️
@@jessealdridge9920FACTS LOL
Should I remove my shades when I work on my car or leave em on to look cool just like you....
Jason King get transitions then you're good both ways.
Jason King leave em on, gives your car a 20 horsepower boost, easy repairs, and a +10 in swag factor
2X XP Multiplier Lenses... You do the math.
You're never look as cool as Scotty.
that is the lamest joke, you are trying to hard. maybe get off your moms computer
I always hated working on cars... but being poor makes it an easy choice LOL But Scotty, you sir, are a gem. Your humor an mellow attitude, moreover, you in-depth knowledge, make most endeavors bearable and a few even pleasurable. Thank you... you are a good citizen!
Not even best mechanic, Scotty is easily one of the best content providers on CZcams. Always reliable information!
Scotty thank you for all the videos. I tried this today on my 98 camry and sure enough, it worked. If there's a person less mechanically inclined than me, I've never met him or her. thanks again
How do i just bring my car to you lol
After all the rough idling and stalling on start up my car has been doing for almost 2 years now, I got the throttle body fully cleaned (I felt too lazy to dig it out). Now it runs like a new car
+Colin Donovan Note: it was a full fuel system flush
Colin Donovan how do you do that?
Was it only on start up that your car would act up?
Please people shut up and take an autos class I know people who failed that class and know more about cars then he does.
Colin Donovan I have a Honda Pilot it will not start like it's not getting no field win I turn the key the car turns over but will not start
Man! Scotty! It's 2020 and I always go to all your videos like this one! Thank you so much for all you've done for millions of people! I'm about to to this to my girl's Chevy Aveo that revs very low on idle and stalls and turns off on a stop every now and then. Just wanted to thank you. My 10 and 12 year old sons watch all your videos like I do 🙂👍
Scotty Kilmer videos are so helpful and realistic that I've fixed many things on my car so easy!
Please never stop making videos!
He reminds me of the guy that yells "Jackass!" On happy gilmore lol
LMFAO. Yes
Great video, I'm gonna try this on my '05 Honda Civic, my biggest fear is I'll take the air filter off and not know how to put it back on but if I can take it apart I should be able to get back together... at least I hope so
6 years later literally lol.. did you end up successfully taking it apart and putting everything back?
Take pictures before, and use an egg carton so you know which screws come from which part and label the sections if needed. It's like a puzzle that you already know how it goes together, just put it back the same way you took it out.
@@uncrustable9923 i wonder if they are even alive
@@lilstoopa9392 me too haha
who really cares if he does have trouble sleeping at night...this guy's a genius....he's making all these videos and sharing his expertise to help people . the idiotic comments that are running rampant on CZcams needs to end........ Scotty Kilmer! your the man!
Its a 7 year old video but it sure helped me. My car was idling poorly and now its fixed. Thanks to you dude.
Comes on a motorcycle, teaches you about cars...
I like it!
You should have your own saturday morning tv show Scotty! Very entertaining! Thanks!
Ozzie Crosby I have a saturday morning 10 AM CST google + event car talk live question and answer show every saturday morning. . Just check it out at czcams.com/video/VognjkYaMjg/video.html&feature=c4-overview
My 94' Celica and I thank you Scotty! You have saved me thousands of dollars restoring my 94' Celica!
My 3 year old loves watching these videos with me. Scotty is the best
9 years ago and a month too late for me. My 2000 Grand Prix started doing this and I did exactly what you prescribed, cleaned the TB, idle air, and also the MAF sensor, all problems vanished!
Bruhh I’m so glad I watched this video, my car had been doing this for months and I thought I had a bad transmission, lmao my car hasn’t been running for the past month and this was all I had to do 😂 I just had to by some 7 dollar spray from auto zone and it runs fine 🤦🏾♂️
There u go bro keep fixing ur car yourself it saves so much money. Never took my Honda to a mechanic and it’s been smooth sailing even when something goes wrong I can just google how to fix it 😂 that’s all mechanics do anyway just google how and then send it
A video that is so short with just the right amount of information. No unnecessary fluff. You sir are doing it right. Thank you.
do you have trouble sleeping at night? hi I'm Scotty kilmer I'll show you how to sleep right!
shut the fukup
+John Plaque. Lol.
lmao
thats hilarious
dude i wish lol
Your videos are awesome! I enjoy watching them, even when I don't have a problem with my car. Keep up the good work, and thanks for sharing your experience with us backyard mechanics.
Honestly I just love this guy attitude. Thanks for the tips. Subscribed
My husband said this video helped him tremendously. Thank you for doing this video. 😄
I really appreciate your videos my 2004 Mustang GT was idling rough and I could not figure it out. New plugs air filter nothing helped it it would stumble and misfire at an idle but once you got into the throttle it straightened right out as soon as I clean the throttle body at idle perfect thank you so much for giving us your time just show us little things like this
Scotty..excellent video!! as always Thank you. I followed your procedures on my 2002 highlander and working like a charm. it has 127 k miles. Couple notes.. Channel lock pliers required to remove screwed for IAC. Also be careful of not losing O ring and washer from IAC housing assembly when removing electric cover. Once you ready to put everything back up attach washer on IAC you may need grease to make it stay in place.. i didn't have any working midnight to avoid 110 degrees in Dallas.. used hair wax.. lol. it worked. goo
Thanks a lot old man, your wisdom has helped me fix my car with a problem I did not even imagine!
you are by far my favorite you tube channel when it comes to all things cars...keep up the good work ..
Thank you! I'm a female who has no knowledge of cars..I follwed this video & did it all by myself!! My car is going Much MUCH much better. Cheers!
My daughter's '02 Montana with the 3.4 L engine was idling a little roughly and the check engine light was on.
Until recently, it had been a few years since doing most car maintenance. Your suggestions to clean the air intake system brought back the memories, I decided to give it a shot.
So after cleaning the IAC and MAF (while taking off the intake hose, may as well clean both right?), after a rough couple of starts, the system adjusted and now she runs beautifully, no check light!
Excellent vids, thanks for posting man!
Dude, your videos are the best! You break this stuff down in such a great way and edit your videos so there's no fluff and dead time. I haven't had to use your video quite yet but we're having some issues on our vehicle so I'll be going through some of these trying to get the issue resolved. Just wanted to say thank you in advance!! Amazing job my friend.
I was driving my 2002 mercury sable with this problem for over a year and it got progressively worse. I know nothing about cars and just did what you said to do. The amount of carbon I cleaned off seemed completely insignificant and I thought if this ends up fixing the issue I would be shocked. It ended up fixing the issue 100%. Not only that but my car accelerates more easily now too. You most likely saved me hundreds of dollars. Thank you!
After all these videos Scotty, not sure I've ever said thank-you. Thank you and you've been a big help through the years.
Scotty I asked before about problems on my car but I found a rip in the "duct work" and some hoses I need to replace .
Thank you so much! That's twice now Ive fixed my car from your videos
Thank you Scotty!
You are helping people on the other side of the world!
Scotty Kilmer and Chris Fix, best DIY car mechanic channels on Earth!
Thank you. I will try that with my 2000 Olero. Has high idle even after warmed up.
Mine has the same problem. Did it work for you?
Hey Scotty, great video as always. I cleaned an old IAC valve and swapped them on my car. Also took the throttle body off and cleaned it really well. Made a big difference. Had the same symptoms as you stated.
Scotty has been great from day 1...
i just got told my motor was bad bc i said my engine stalls while idling and that it would be an almost $3000 dollar fix, looked up the issue and came actoss this video and saved myself a solid $2900
This is the most effective video for shaky idle
Scotty, I love your vids! They are easy to understand and entertaining as well! Keep up the good work! Matt
Im going to try this on my 1999 Ford Escort ZX2. Idle has been weak when I'm stopped and check engine light just popped on. Will keep y'all posted.
Any results?
Hey Scotty,
Thanks for the awesome videos. Very helpful and straight to the point.
I have a 2000 nissan maxima that threw the po505 code a few months back so I cleaned my throttle body out, and checked my IACV first. I unplugged the IAC and turned my car in the on position and found it wasnt moving up and down. Tried cleaning to no avail and after seeing they dont sell the sensor individually at stores like autozone and advance auto and wanted 189 for the full assembly I went to a pull a part for it and tested and it worked great. Check engine light went away, and I drove for a few months until it started doing similar things again this time with no check engine light. Now when I try and start it i have to gas it or else it will immediately drop rpms FAST and die. It doesnt flutter down to an idle then die, it just DIES. It almost feels like there is a strong counter resistance. Before when it threw the codes it would do this weird idle thing where when I put it in park it would start fluttering rapidly rpms from 1000 up to 1500 up and down up and down then off if i threw it in drive. (auto trans)
I took out my maf sensor to clean and looking at it i dont see the resistor iat wire. Do all maf sensors have this? It has two metal tits and a plastic indention where it looks like it should be. I cleaned it despite and as expected no luck.
I tested IAC again and still functioning properly. Could this be a vacuum leak? or fuel pump/clogged fuel filter, egr valve?
I know this comment is HUGE and shouldnt be asking such advice over youtube but I am in dire need of my vehicle and my funds are running out.
Thanks Scotty
Scotty, great video as always. Question, would you recommend this same process for a 2003 Dodge Ram 1500? My truck has been idling pretty badly lately at stoplights. It has even shut off multiple times when I come to a stop. It'll start right back up every time though. But definitely irritating.
The same with me now... Can I ask you what was the problem if you remember?
cumon scotty spraying cleaner isn,t enough I take a tooth brush and scrub in the throttle body so the plate doesn't close on carbon and throttle cleaner left in the intake also helps to remove carbon in the cylinders out so I start them right away to blow out as much carbon as I can
I just did this as well, and took the whole throttle body off the engine, did an amazing job
i really enjoy watching your videos. you do a great job in making sure the viewer can understand and learn.
I kid you not I was stranded in an Auto Zone parking lot and my car would turn over but not idle.
I typed what was happening into Google, this video came up, I did what he said, and it workes! Got the spray cleaner from the store, and they let me barrow a screw driver.
You really saved my ass Scotty! Thank you!
scotty is the man!!!!!
Only person I can trust with my car
Thanks for all the uploads Mr. Kilmer. They have been very helpful.
Keep going Scotty--Im not exactly how but you are going to be rewarded for helping folks out, most times we are working on our own cars out of desperation. Go to the stealership and look at those labor rates. Just heard on the news the average car in US is 11 years old. Most folks are in a hard spot, you cant afford to take it to the garage, you cant afford a new one. Whats a fellow or gal to do. Ill tell you what to do "tune in to Scotty Kilmer."He is everybodys ol Uncle there to help you out and back on the road. God bless.
hey Scotty i just had my spark plugs replaced on my 2006 charger. and after all was done we started the car and a p0107 code came on and we fixed it by replacing the gasket because of a leak. but now another code came on a P0108 im not entirely sure what it is. my mechanic thinks its a faulty map sensor because the car runs fine after a cold start up then after a few minutes when it gets hot it will idle high around 1000 rpm. engine light is always on along with traction control and a flashing throttle body light(the one with a lightning bolt sign). any thoughts on what seems to be the problem? btw when i brought the car to him it had no codes or what so ever. it was running great i just wanted to do a simple spark plug change. which ended me paying $418 for spark plug change and gasket because it started to leak when when it was put back. need some immediate help!
Hey Scotty I have a 94 olds 98 regency with a 3.8l v6 that is in pristine condition for its age so I really don't want to get rid of it just yet. However, she is running poorly as of late. It hesitates, has loss of power, idles a little rough. Every once in a blue moon when you start her the check engine light will come on, but if you shut her down and start it right back up again the light will shut off. So far I replaced the plugs and wires, replaced the coil packs, removed and thoroughly cleaned the throttle body, used seafoam on the intake, changed oil and air filter, cleaned the maf sensor, ran fuel injector cleaner, replaced the EGR valve and even tried running a higher grade fuel. None of this has improved the performance much. What am I not doing???
+KLUNKET I'm having a similar problem with my car (94 Olds Cutlas Ciera S). Did all the cleaning with no luck, plus changed out the fuel filter. I don't have the know-how to do this part myself, but we're going to a mechanic to have them check out the Throttle Position Sensor.
Allie M. Is your check engine light coming on? I've done a little more work since I wrote this comment and think I have located the problem. Does that Cutlass have the 3.8 liter V6? Does it not want to start every once in a while and then start fine another time?
+KLUNKET The check engine light comes on when we try to accelerate too quickly. (We usually end up getting on the 55mph interstate near our house at 35 so it doesn't come on.) We used to have an intermittent starting problem, but that was fixed when replaced the starter this past winter. Never have any starting problems or any stalls. Our engine is the V6 3.1L.
Have you cleaned the throttle body? It isn't that hard to do... take off the maf sensor when you clean it and clean that as well- there are a ton of videos on youtube on how to do it... the throttle sensor isn't hard to replace either... it also sounds like your Crank Position sensor may be going bad... but if that is the case then you will need a mechanic because I think the crank position sensor is behind the pulley for your serpentine belt, and that is a pain to remove... You know what... if you are losing power like that you could also have a plugged catalytic converter... Or your O2 sensor is bad... or BOTH.
+KLUNKET, cleaning the throttle body and maf sensor is actually on our car DIY list before we take it into the mechanic to have the spark plugs changed (the back ones are too difficult for us to reach) and have the throttle position sensor checked. While I did find the crank shaft sensor in my research for what we can do for our car, we're not having problems with stalling or misfiring so it doesn't fit quite as much. If it was a bad O2 sensor, I'm fairly certain that our car wouldn't have passed inspection at the end of May. Either way, I can't properly change any of those things myself so we'll have the mechanic check them out.
One other thing, we took the car to a mechanic back in March when it was having the same problems. The diagnostic came back with some codes, I can't quite remember, 100-104 I think. That's the main reason we're going to be changing the air intake sensor; they cleaned it and the car ran like a champ until we took a trip to the mountains. (The mechanic won't run the test again without us paying another $90-- no thanks! It's cheaper to change a couple of sensors out ourselves.) We're having problems with the speedometer/odometer not working with acceleration is new and is what led me to the throttle position sensor.
Can I use WD-40 instead
2007 Chevrolet Impala 3.5 flex. Had a rough idle at red light. I did spark plugs change and Wires, New air filter. cleaned mass air flow sensor, and throttle body. seafoam motor treatment in the gas tank. It's running alot better now. Thanks Scotty!
Hi Scotty, my car (Lancia '96 manual petrol) was idling very low and the engine would turn off if I didn't 'warm it up' by pressing the gas pedal for 2-3 minutes first.
Took it to an experienced mechanic, and (without telling him to solve the idling problem) simply told him to replace the fuel filter, spark plugs and to clean the throttle body. He did so, and now the engine turns on instantly, doesn't die on startup, etc, but now it idles too high! (And it feels like revs are too high in every gear too.)
Revs at idle are 1700-2000, and they go up and down when the car is idling, like someone is pressing and releasing the gas pedal every 2 seconds.
What might it be due to?
Thanks!
Sounds like a bad mass air flow sensor
Scotty your so damn cool. I seriously idolize you!
+Dom Toretto he's very energetic..lol
+Devenson Rodulfo
he sounds just like Billy Mays to me, just waiting for him to promote oxyclean
+Anthony Sardo Sounds more like Bill Murray.
Sound more like billy vanilli
I think you mean ilde-ize. :)
He truly is the best mechanic on CZcams. Ive been a follower a very long time
this guy is awesome. ...easily one of the best channels on youtube....thanku for all the hard work sir.....
Hi, Scottie I have a 1997 2.2 acura and have an issue with surging idle. I had replaced the Idle control valve, and it still surges not all the time,but sometimes. already gave it a tune-up and still the problem remains. What can it be?
+Noel Campos do my video "finding engine vacuum leaks with a cigar"
Good job I have volume control! Does this guy shout!
+Stabmaster Arson wrong! We're not deaf, the loud mouth prat!
Wow! So glad I watched this! I would have been so mad if I paid $150 to the dealership to have this simple thing done. lol
I love this guy been watching him for years
What about when your car is stalling while you are driving
Your the best Scotty a freakin rockstar!!
Hi Scotty when i start my car the rpm is 2000 when idling it continues like that until the engine becomes warm then the idle becomes normal. I have a toyota avensis 00 petrol.
KhalifaMedia you may have damaged something... If its 2000 and under its the computer adjusting to the clean trotle but if its 2500 and up its broken...
David Ponce mine goes from 1.5k to 2.5k but not above 2.5k. I have a 97 civic
It's just warming up the engine.
Yea its just getting water out the system as well
Thanks, you saved me, I was almost going crazy, hitting my head against the wall, but I watched this video and the one about TPS, Again, thanks.
Not joking scotty has saved me fortunes over the years GodBless . From UK
Feels a video from a decade ago. Oh wait..
When Scotty had been a mechanic for only 42 years!
i change idle control valve already
Good for you 👏
Who da fuck is u
thanks your comment was helpful.. this is what a mechanic told me as well.. the above spray was done by they didnt wipe the valve.
Hahahhahahahahahahaha
Scotty...
Your D.I.Y videos NEVER fail to impress me.👍👍
yeah I have the scanner from bmw and it really funny because when I turn off the engine and turn on again, the lights became normal. but thank you so much for not ignoring me. your videos are very helpful. Thanks again.
don't do what he says if you're going to clean your throttle body take it all the way off the car and an old toothbrush with gum out clean it out real nice and neat make sure you don't spray that stuff inside the iac motor or the throttle position sensor. cleane out real nice and neat put it back on there you go because what he's doing is shoving all that crap back into the engine. while you're at it might as well pop out the injectors use a toothbrush some car come out and clean the bottom of the injectors paraffin collect on the ends of those
I know I've come too late , like it's been years on this video , but I'm still glad to come over this channel . I got a question, my car shuts down on idle when my AC is on , then after turning it back on , even with the AC off now , it turns off again and again , and if I try to drive it , it suffers from an unstable Rev but then works itself by itself. It only happens when my AC is on and on idle mod . I own a 2003 E46 318i
Hello Mr.
My ford expedition 2002 has low rpm 600 just in morning starting without any vibration, and after worming it will return to normal rpm 850.
Appreciated your support
Scotty Kilmer is one of my favorite CZcamsrs
Scotty is a genius!!! Thanks Scotty!!
This worked great, and saved me a ton of money, thank you
This video help me out a lot on diagnostic my car . Ty scotty now my car runs better
Thanks for the tip. I might have solved the poor idle my 2006 Jeep Grand Cherokee
quite straightforward dude...thanks a bunch.
Hey Scotty thanks a lot for your help watch a lot of your videos and they're very helpful keep on the good work Buddy
THANK YOU. I was seriously perplexed by 18 different variables, almost all of them costly and time consuming. All I needed to do was clean the IAC.
Hey scotty thanks for the information.
just a question here. I cleaned the throttle just like you said in my toyota camry but now the idle is too high at parking and neutral. is this normal? or should I do something else to fix it?
Regards !
drive it a week, often computer will settle back down. if not, check for vacuum leaks
Thanks! keep up the good work
Scotty, you sure are a character. From 🇦🇺
thank you mr. you did just save me from alot of money burning and many bad days. you should start your own TV show, many thank you again, you are the Man . thanx from Finland.
Gratz on 1m subscribers Scotty!
Thank you for those tips
Rough idle and stalling issue was driving me crazy it ended up being the purge valve solenoid I read somewhere that if it’s stuck open it can cause a vacuum leak also cleaned the throttle body and change the air filter. Problem fixed.
I've all ways done this with the car running well I mean I cleaned it first then cranked it up and sprayed the cleaner while reving the the engine a little funny how no one ever said that was the wrong way to do it but then again you're a 50 yr mechanic so I trust your judgment Scotty
I missed your videos I learned alot but at the end got my a new car
Hi Scotty, I cleaned the Throttle Body on my 2005 RAV4 today. It was rough idling whenever I am at a stop 500rpm. I hope I didn't mess up the TB/AIC valve - it seems to be electro-mechanical. There was no wire line to open/close the plate. So I used my finger and pushed down the plate and held it open to clean the inside of the TB. I put back the air filter housing and waited more than 1/2 hr. Then started the vehicle and saw white smoke came out for a minute. The idle was at 2000 rpm at first and then dropped down to 1500 rpm at normal temperature.
I revved the engine up to 3000-4000 rpm a few times, hoping the idle will drop back down to normal 750-800. But it didn't, it remained at 1500 rpm when I come to a stop. So I decided to drive around my neighborhood for 5 min. to burn off the AIC cleaning spray. When I shut off the engine on the vehicle, it felt like a rough engine shut off. Did I damage the AIC control for holding it open with my finger? I've read some blogs and they say I need to drive the vehicle a few days for the ECU to reset.
Please advise. Oh...I enjoyed all your informative videos. Great videos !!
Thank you for your advice.
Tim