Hey Guys,

My 02 Civic is acting funny. I have an Ebay special turbo kit on it on my k20a2 and I just recently street tuned it. It ran pretty good for a while. When I turned the car off and turned it back on the wideband is showing around 13 at idle but after a minute the cars idle becomes choppy and skippy and runs lean all the way at 17. I thought maybe it was my spark plugs so I changed them but no good. I tested my coils back unplugging every one to see if it would make the car run worse and everytime i did it ended up making the car run worse so im guessing the coils are good.The only thing I changed on my car is the TPS since my old one was no good. Anyone ever experience this? Any ideas? I dont have any check engine lights. Could my Kpro finally gone bad after a year?

Any feedback is appreciated.

Thanks

 

my em2 does same...did you bleed the radiator??

 

[I've heard cleaning IACV also does the trick...my idle is still choppy after replacing coolant, 2 alternators and just tonight my starter...sadly the starter kicked up a few times and now won't...but when it was running my idle was still fluctuating between 200 and 800...so my next bet is the IACV...if i can get it started

 

its annoying!!! Im going to bleed my radiator and clean out the iac and see what happens.. is this problem common?

 

how would coolant effect this?

 

if the radiator has air in it it doesn't cool the engine properly or the iacv (intake air control valve) which affects the idle from what i've read and researched on hondas this is common among idle problems...solves the issue roughly 90% of the time. good luck...otherwise check belts and timing but that should be it kid

 

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