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I have the same in the shop and all I did was to do a throttle re-learn and it fix the issue

My problem also

I have the same car and the same problem did you ever find a fix??

Just to let you know that Mitsubishi you have to change the throttlebody so it will work. I’ve changed mine twice almost every year. The throttle bodies are very acceptable to failure.

check the pcv valve. Its an easy fix. parts are cheap. Sparkplugs can be immersed in oil. Change those if not done within 100,000 miles. Easy fix. You can clean throttle body.

Wife's 2015 had exact same issue. Cleaned TB w/o removing it (spraying TB cleaner and cleaning with rag as deep as fingers will go until no more dirt on rag). No more rpm dipping.

Yeah PVC valve in throttle body dirty

2015 mitsubishi outlander sport 2.0. 132367 miles.. Rough idle when a/c is on but when its off idles fine. Ive cleaned throttle body changed plugs and wires ignition coils cleand air flow sensor up/down stream o2 sensor and the catalyticconverter. It only idles rough when a/c is on. I cant find out whats wrong with it

Try cleaning the throttle body

I clean the throttle body today and so far the rpm stopped going up and down when idle or parked even if I have heater on or A/C

Having same problem

My car has rough idle when the AC was a on during a stop. Is this the same?

Check the iac valve

Crank sensor for sure

I had the same problem with my Outlander 2011 at 170k km, it would frequently cut out at the traffic lights. I followed the advice below and it worked like a charm. However I battled to start afterward and I think that it is because I sprayed a lot of cleaner in the intake port. It is probably best to spray onto a cloth and then wipe inside the port.

Hello guys come to my place i gonna fix your car problem. im here at vancouver

I’m having a similar problem but mine only does it when the max AC is on and I’m parked or stopped. The compressor is also making a tick tick noise. When I’m driving it’s fine though. Also if the AC is off, if I turn off the max AC or if the heat is on it won’t do that even if parked or stopped. Only when parked or stopped with max AC on. And no check engine light or won’t read any codes either. Anybody else have that problem?

I’m having the same issue with my 2015. Thanks for this vid and all the comments. I will try cleaning throttle body first.

Mine still does it when I changed everything I have a 2015 Mitsubishi outlander sport GT

Do you have cvt transmission? Mine was transmission swapped out and fixed

Mine is doing the same thing

Transmission

Mas sensor or clean the throttle body

We also had this issue in a 2015 RVR with the 2.4 liter engine. The engine was hunting for correct idle (surging up and down) in drive while stopped at a light or red. Never a problem while moving or parked. The check engine light would come on and the two codes we got were VVT solenoids, intake and exhaust. I first took these out and cleaned and tested them with a 9-volt battery; they both worked fine. Next, I found this thread, and I cleaned the throttle body around the butterfly - where there was indeed black buildup preventing it from fully closing - with carb cleaner and a rag. I also sprayed the mass air flow sensor from in there. Four days on and it seems to have worked. Thanks very much all for your comments and to the original poster for this thread. Saved us a lot of money and time - and headaches. Cheers

I've taken mine to 4 different shops... 2 soaked me and one told me they don't work on Mitsubishi vehicles while the Fourth one suggested I take it to the Mitsubishi dealer and have them diagnose the problem...After 45 minutes in the Mitsubishi shop, they tell me it's a few things they were able to diagnose with their fancy diagnostic machine... They were pretty confident that the problem was solved... Less than a week and it's acting up again... If the Mitsubishi techies can't fix it, who can?????🧐😵

Clean your throttle body and do learn value reset on with mut 3

Im having that issue too, Please I need help …..Why is it happening

Thank you very much. My Mitsubishi outlander is doing the same thing. It’s a 2015. I’ve changed both O2 sensors and I cut out the cat and weld it in a new one myself that was fun, I wish I would’ve known about the throttlebody lol I’m gonna give that a shot now. Still shutting off and idling funny thanks a lot guys and yeah, come on Mitsubishi give us a fix, I called the Mitsubishi dealer. They acted like they didn’t know anything about it, and I had to bring it in for them to diagnose it even though I told him all the symptoms ridiculous

I had the same problem so I guess I'll chime in. I changed MAF, coils, plugs, cleaned the throttle body but still had the issue. Some days it didn't have rough idle and other days it was so bad it would die at stoplights. So I went for the EGR valve and when I got it off I realized I should have started there. This valve was caked up so bad I couldn't clean it, unless I took it all apart. But I replaced it, and yeah it wasn't cheap, about $360. But I got the car back together, took it for test drive and it's been running great for the past 3 months. Just hit 91K. If you have this problem I would suggest starting there, it's a tight spot but 2 bolts and a pigtail. Worst case if it's clean at least you know that expensive part is ok.

Ok my pips, first thing if your engine is not breathing right clean your egr valve (carbon buildup) then check your throttle body make sure butterflies on your throttle are clean then you good to go . Have fun Mitsubishi 👍

My car same year is doing the same thing. Also thought it was ac.

I found it mine did the same thing

So I'm gonna try to respond to some of your comments about the rough idle...so I plugged a autolink to my mitsubishi outlander sport and it gives me a p0145 code which means a air sensor and so I replaced the sensor and it ran like new and then it came back. I put the autolink back on and it's the same code. So I did research to find that there is a computer problem and it needs to be updated by mitsubishi dealer...check for yourself.p0145 code. Btw the code says permanent you can't erase it until the computer is updated.

Thank you for your post mine does this exactly and I’m at 152,309

Been having this problem for the last year and a half nobody seems to know what the hell I did everything you said you did it doesn’t always do it but when it does it’s hell

I have the same issue and when car is stopped at signal or in parking, rpm fluctuate b/w 0 and 500 and then come down to Zero and turn off car I need to start car again Is there any issue with brake system?

I am in need of a Air Filter Box for a 2015 Mitsubishi Outlander Sport ES 2.0. In Arizona the dealer said Mitsubishi quit manufacturing. Can anyone recommend where to get one please? I also tried Amazon.com. AutoZone and other large local companies none available. I even tried OfferUp and letgo. Thank you

I’m so glad I started googling and finding all of this. Exact same issue I’m having. I wish Mitsubishi would just send out a. Hey this is what it does. This is what y’all should do

Cleaning out throttle body helped on a friend's car. But now idle with ac on is still erratic. Can't find relearn procedure only for the turbo versions.

mine did it i just chainged d motor oil and it stoped

This happened to my 2015 Outlander at roughly 75k miles, and again at 180k. My engine built up a carbon ring inside the throttle body, I am guessing the carbon keeps the butterfly valve from fully closing, throwing off the air mixture. I cleaned the throttle body at 75k and it fixed it, and again at 180k.

I had the same problem, I cleaned throttle body, vvt solenoid, EGR valve and kept with same problem. I replaced the PCV valve and problem solved.

Same shit here bro... Glad this just isn't happening 2 me....ugh Mitshubishi

THE FIX! Im the original uploader to this video. I lost access to this account. The fix turned out to be what many others have stated it's the throttle body. Which is hard to believe after a couple shops couldn't figure it out. Luckly one here in town did, They took the throttle body off and cleaned it, however IF you take it off on a mitsubishi you also have to reprogram it. So try cleaning it 1st, if that doesn't work you will need to reprogram it which consists of pushing the gas pedal in-and-out so many times So the ECU can relearn the throttle position, theres steps to it, but I'm sure the steps of a TB relearn are online somewhere. So I can't say for sure if cleaning it or reprogram it is what fixed mine but definitely one of the 2 did, but from the looks of others comments cleaning it alone seems to have done the job. Good luck everyone.

Dear, i solved the problem through, throttle body removed and cleaned + replaced the spark plugs , now its normal. Hope this help you,

Try the idle air control valve

It might be the spark plugs because I asked my girlfriends dad it needs a tuneup

Mine is doing that I got a 2015 Mitsubishi and same thing happens

Everyone it is the alternator I just diagnosed mine today when the idle starts fluctuating hook up a voltmeter to the battery and you can see a drop in 211 V then back up to 13 V end it happens when there’s a load on the electric system and then the alternator starts intermittently going out therefore that causes the idle to fluctuate…

2015 outlander. Happened twice. First was a bad battery, 2nd time was dirty throtle body.