Even after the factory flash that is supposed to repair the idling issues on the car, I still have some problems with the engine struggling when idling. I either have to turn the A/C on to spins the fans and raise the rpm a little or just give it a slight rev.

How can I fix this problem? Mitsubishi Service Shop is telling me "they can't do anything else....everything is fine with the car" :wtfsign: ???

Is the engine not receiving enough air when it idling? Could it be the intense Miami heat? (Feels like 115degrees outside)

anyways....how can I fix this? Anyone else having this issue?
Thanks

Cheers,
Zan

is this happening to mr too?

I'm actually not sure.

my car does that too ill fuk with my throttal a little and try to get the idle to be a tiny bit higher then tell yall how to fix it (if i can get it)

same problem here.

me an u (person who started this thread) live close im over in naples at exit 107 lol

hmm i guess they still have some bugs to work out

Do you guys have any mods on your cars?

i only have an intake and it didnt do it before the intake but now that i have it on it does it


what dealer over in miami will serive a car thats modded??

can we put a little spacer on that gas pedal so it will depress a little bit.

the pedal is really sensitive ill work on the throttal body it self and figure something out tomorrow

yeah the only thing i had done so far was the intake mod on here where i mounted a cone filter on my stock intake.

can you post a sound or video of the problem?

What exactly did the service guys say? is it normal to them? ( or perhaps they cant find the problem?).. more info please.

any mods?

Does the noise occur when the service guys had it? ( so you could prove to them that it was happening?)

my car does that too ill fuk with my throttal a little and try to get the idle to be a tiny bit higher then tell yall how to fix it (if i can get it)

Yes please do bro, will greatly appreciate it.


Only mods I have are my floor mats....still have the issue.

actually I will take a video and post it when I get time.

I have no mods...Service guy said he did the flash so he can't do anything else. Then I asked a mechanic to check it...and he put his hand by the muffler for a couple seconds to see if it was misfiring, but he says everything is fine, it suppose to idle that low.....But really it goes at about 500 rpm and then jumps up on down close close to 0.

if its what i think he is talkign about when the engine surges between 1000 and 500 RPM's and then slowly settles down

thats what my car does


ill have the brains of ROUSH working on my car tomorrow

Okay I uploaded a video of the idle issue that I believe I am having, this video doesn't show the FULL extent to the problem (trust me it has been worst)...I just filled up the gas tank and it is cooler in the nights...So i dont know if that has any effect...

Anyways...there is one time in the video that it spikes significantly.

http://s356.photobucket.com/albums/oo10/Zanx89/?action=view&current=MVI_0733.flv

divert the hot air away from the filter
http://www.vividracing.com/catalog/wm.php/images/evoxintake1a.jpg

divert the hot air away from the filter

I would have said the same, however he has said that he has no mods.. so the stock box and filter shouldnt be sucking in any hot air.

Do you know if they tried to flash with the 1st flash or second flash? (They would have written the flash number somewhere) This is suspiciously like the idle problems that so many have reported before that the flashes were supposed to fix).. are you sure they flashed it?

The service guy said it was the second one he gave me. *sigh

it seems quiet quite for being in miami lol

Yeah, I have that idle problem. And sometimes it goes even crazier. As you said "bouncing" between 500 and almost zero. other time's it starts out where it's supposed to be (750ish) and then shoots up to 1500rpm and doesn't come back down.

I'm bone stock. Best fix I've found for it yet is to take it to the track. Seriously! the car always seems soo much smoother for a bit after I track it.

im gonna see if theres a way to put a small load on the motor throu the throttal body...

cause atm i think that only with the fans going it wont surge like that

my friend said its the TPS sensor and to get a new throttal body :wallbash:

same problem here

for the momuent i guess jsut have your A/C on when not moving...i guess thats the only way it will help it

i dont have time today to look into it but tomorrow i will

Hmmm...I figured it had to do with the TPS, but to get a new throttle body? I would raise hell with Mitsubishi before I do that...for such a high performance car (and a new one at that) the quality checks on these should be a must.

Whatever it is, it will be under warrentee, especially if you have no mods on it. Diagnose it as best you can and that it back to the dealer for more work on it, they cant just say that theres nothing they can do about it..

Well since, Mitsu isn't helping me....

I'm just going to drop on a catback exhaust, test pipe, intake, Front Mount Intercooler, some coilover springs, UICP and LICP, Downpipe, Momo steering wheel, Momo racing pedals, gut the back seats, smoke the headlights and taillights, put on a short shifter kit, set up an alcohol system, turbo timer, boost controller, 4 digital gauges (A|F ratio, boost gauge, oil temp, oil pressure), EcuTek tune...........and a dangling tree airfreshener.

and hopefully that will fix the idle issue.

I'm just going to drop on a catback exhaust, test pipe, intake, Front Mount Intercooler, some coilover springs, UICP and LICP, Downpipe, Momo steering wheel, Momo racing pedals, gut the back seats, smoke the headlights and taillights, put on a short shifter kit, set up an alcohol system, turbo timer, boost controller, 4 digital gauges (A|F ratio, boost gauge, oil temp, oil pressure), EcuTek tune...........and a dangling tree airfreshener.

and hopefully that will fix the idle issue.



lol well maybe it might help a little haha but you woudl be the baddest EVO in south florida :+1:

Ha. I'll show you horrible idle...

http://www.xprimnt.com/Images/RevVideos/Hood%20Closed%20Turn%20On%20AC.mp4 (http://www.xprimnt.com/Images/RevVideos/Hood%20Closed%20Turn%20On%20AC.mp4)

That is what happens when I turn on my air conditioner. You might think "Oh man, you have an open element filter, get a heatshield!". But I got the AEM intake, the whole freakin thing is a heatshield.

lol well maybe it might help a little haha but you woudl be the baddest EVO in south florida :+1:

+1

lol well maybe it might help a little haha but you woudl be the baddest EVO in south florida :+1:


haha indeed indeed

Ha. I'll show you horrible idle...

http://www.xprimnt.com/Images/RevVideos/Hood%20Closed%20Turn%20On%20AC.mp4

That is what happens when I turn on my air conditioner. You might think "Oh man, you have an open element filter, get a heatshield!". But I got the AEM intake, the whole freakin thing is a heatshield.


Umm...:wtfsign:! Maverick and I are here complaining about the heat and the little surge now and then....but yours looks like it is stifling for air, fuel or some attention! ... Please show that video to the Mitsubishi dealer and get something done for the car, and then tell us what they did lol!

my motor surges either when sitting for a few min or after i jsut run it hard then it surges for a long time (between 1-2 min)

i have same problem after the reflash,i went back to maywood one of the tech. called mitsu and he said they know about it for those car that didn't fix the idle fluctuation and their working on the third reflash i asked him when is it avail he couldn't give a answer so i guess were all have to wait
till it comes out,,,and hopefully this 3rd reflash are true i let you know as us they fix

i changed my sensor with an SRT-4 sensor and i dont have the idle problem no more.

but i had to put my air sensor back on so my friend could get home lol and it is back so its the sensor i believe

i have same problem after the reflash,i went back to maywood one of the tech. called mitsu and he said they know about it for those car that didn't fix the idle fluctuation and their working on the third reflash i asked him when is it avail he couldn't give a answer so i guess were all have to wait
till it comes out,,,and hopefully this 3rd reflash are true i let you know as us they fix

Hey dude, you bought your evo at Maywood Mitsu, in NJ.

My car stalled yesterday due to bad idling. It shut off right away as soon I turn on the engine. Twice***

My car stalled yesterday due to bad idling. It shut off right away as soon I turn on the engine. Twice***

That happened to me once...but then I took it to the dealership for the most recent factory flash and I haven't stalled since....Take it to the service department and demand the most recent factory flash.

I had this problem in the MR a week ago, it was odd because it was only on THAT DAY. The engine even shut off on my. Then I installed intake and reset the ECU and everything is fine, for now.

im gonna get the re-flash tomorrow...is it under warentee???

so what is the engine suppose to be idling at? 1500? or 500ish? b/c usually I see cars idling at 1500.

so what is the engine suppose to be idling at? 1500? or 500ish? b/c usually I see cars idling at 1500.

UMMM...my car idles at 1200-1500k when its cold, then it idles between 700-900 as it warms up.

Hey dude, you bought your evo at Maywood Mitsu, in NJ.
so it took me along time to reply yeah i got my ww evo from aywood mitsu nj as far as the stalling issue that thing happend to you,had happen to me too but since then after reflsh it didn't happen but at times specially cold weather it idle horrible at the light well what i do is give it a little gas and it stable it self,,,i have gone back to service cause i do my own maintenance but i let you guys know as soon as the 3rd one comes out good luck

Hi .. this is something you can try .. but you need a CLEAN base .. ie battery reset .. you can't fix the bad idle with a bad calibration ..

After a flash or a reset .. the ECU goes thru a calibration cycle with the throttlebody ..
This problem appears when during the calibration cycle, you probably activated the aircon or load the engine ..

What you need to do is start the car and let it idle for approx 5 mins or until the radiator fans kick on and off.. then you need to turn on the aircon .. once you're done with the aircon on idle for about 1-2 mins .. just turn off the car .. wait 1-2 mins and then start the car again .. the idle should be fixed then ..

That's how I fix my idle after I flash my car :)

I heard this is a common problem when the AC of the car. The hot air eventually gets to the intake and causes rough idling.

i am so gald im not the only 1 with that problem i have no mods and i havent even opened up fully yet.:wtfsign: , Is urs to the point where it feels like its on the verge of stalling? mine was like that but i havent felt that in a while

Same problem with every evo in Canada i tested my throttle response and i was only getting 94% at full throttle, the idle issue corrected it self after 3500km, dealer told me it was because of the alltitude were we live, the problem car was leaning out after brake in period motor runs better.

take it for a good run on the high way, should help

Guys, if you don't have the e-tek tune, go get the reflash.

Ok, so here it is. I have no mods. I don't have the second flash. I had the idling problem happen with me tonight. I'm a hair under 2k miles. All understand and talked about over and over again on this thread. I have something else though and I would like to know if any of you have had this issue as well.

It's not as noticeable in 2nd gear but in third and fourth when I hit around 3000rpm I get like a wheezing sound coming what sounds like from the front right side of the car. I got my buddy to check it and he said everything looks good as far as tubing and all goes. Any takers?

FYI - taking it to the dealership tomorrow to get the reflash.

i had the idling problem tonight and a few days ago soo i just want to get this right u guys say get it flash and my car had the idle problem between 1000 RPM and 500 RPM and its BONE STOCK

Hey, I occasionally have the same problem with my eclipse. Maybe its the same thing maybe not but what happens to me, is carbon builds up on my AIC sensor. Which I dunno exactly what that is (air intake controller maybe?). Anyway, its located on my throttle body. Quick unscrew, scrub with a toothbrush, and i'm idling at 700 again (instead of 400-500)

Has anyone figured out what causes the weird idle fluctuations? I even flashed the Cobb AP stage 1 oct 91 map on my car and it still didn't fix it. I don't think its the tune but maybe a sensor (as someone else has stated)?

have not had any issues with my gsr .i have 8500 miles on my car also

After installing my wideband, I would say the car runs wayyy too rich at idle. I'm talking in the 12's and 13's AFR's.

My car is completely stock with 22k miles and it does the same thing. It's hot as hell here, so I wonder if the heat has something to do with it. Anyone in the milder climates having this issue?

Ok, so here it is. I have no mods. I don't have the second flash. I had the idling problem happen with me tonight. I'm a hair under 2k miles. All understand and talked about over and over again on this thread. I have something else though and I would like to know if any of you have had this issue as well.

It's not as noticeable in 2nd gear but in third and fourth when I hit around 3000rpm I get like a wheezing sound coming what sounds like from the front right side of the car. I got my buddy to check it and he said everything looks good as far as tubing and all goes. Any takers?

FYI - taking it to the dealership tomorrow to get the reflash.

Did u ever find out about the wheezing sound?? im not sure, but my 08 Evo GSR might be making the same sound.. as far as the idling issue- my car definitely has it -.-

its happing to me as well and am bone stock MR with 2k miles!!!!!
so whts the final treat now refalsh, sensor or.....!!!!!!

well my car used to do that till i got a relash from my mitsu dealer and it never happended again

Did u ever find out about the wheezing sound?? im not sure, but my 08 Evo GSR might be making the same sound.. as far as the idling issue- my car definitely has it -.-

To be completely honest it just went away. I haven't had it since. I started having worse problems with the idle when I got my Cobb intake installed. Is your car stock?

To be completely honest it just went away. I haven't had it since. I started having worse problems with the idle when I got my Cobb intake installed. Is your car stock?
bone stock, just bought it last month too =( it is an 08 model though. i need to try to get my car out to the dealership for the re-flash since the idle problem is happening more often (even causing my lights to dim when im at a stop). this problem sucks! did you ever get the re-flash?

took my car in to get the 30k mile service and defects replaced. They found out what was causing the horrible idle wasnt the ECU, but because the vacuum line got unplugged somehow. no more embarrassment at stops =)

what vacuum line? my car is making the ringing sound, it is coming from the throttle body area. was that the same for you?

ok i had this problem when i bought my car in 08, and i used to work like 15 or 20 miles from where i live.... i was on the highway about to take exit and my car shut off and i was doing 80 mph,,, this wasnt the first time and the last time... i got so fucking worry that i was gona crush or something,,, i went to mitsu dealer and they didnt do shit about... id dont know wats causing dat, but is not gud at all.. imagine if im taking a frecking turn and the car shuts off... now i bought an after market exahust and it got better, but the other day i put the stock exahust back again and the stard idleding =... WHAT IS CAUSING THIS IDLEDING THING ON THIS CARS??

One More Thin Is Dat When I Used Full From Mobile Or Other The Car Does That More... Now I Only Usin 93 Oct From Shel Vpower... It Gets Better When I Use Shell

^^ usually unstable idles are caused by:
1. vacuum leaks (on our evo x's probably the fpr hose)
2. bad/dead spark plugs (yes even in low miles it could happen to spark plugs check gaps as well)
3. a bad exhaust leak before the o2 sensor (very seldom happens but could cause it)

So did you ever figure out what the cause was. I looked at the vid you posted and I am having the same problem with my 08. I am stumped :(

i had very erratic idle after replacing stock airbox with the harman motive intake with the AEM dryflow filter, took the filter off after 1000 miles and noticed tiny particles inside the intake so i cleaned the MAF sensor with a paper towel and replaced the AEM dryflow with something else and it fixed my crazy idle. my idle was jumping from 500 - 1200 back and forth, very very annoying. almost embarrasing

I have the same issue i heard someone say its the air idle control valve i dont know it thats the issue but u might wanna check that

check fpr hose and other hose connections, clean maf, clean the throttle body, check plugs, injector o rings ah ha and the little filter inside the fuel pump assembly all this might help the idle

I've got a very similar problem but only in winter when the temperature is near the frozen point... (I live in Canada!)
Here's a little vid for you guys
http://www.youtube.com/watch?v=OYO6lTJDHWU

The little click click sound is a 3 port from grimmspeed.
I had this issue when I had only a AEM intake, a turbosmarth BOV and a catback. Now I got AEM intake, Turbosmarth BOV, downpipe, HFC, catback, Grimmspeed 3 port and a tune and I still often got this problem in winter... But no problem in summer!