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Soo i just got done swapping a k20a2 into my em2 and everything went fine until i started the engine it revs up and down 1000k to 2000k....i dont know whats the issue!!
Idle Surging Problems!
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834 Posts
Check for vacuum leaks.Do you have kpro?
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yes i have k-pro and i srched for vacumm leaks i came up with nothing. take a look at the throttle body. there is this little hole(factory) when i plug this hole the idle drops to 800 and stops surging
Attachments
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834 Posts
Take the piece under the throttle body known as the IACV and clean it out,if that doesnt work go under Parameters in Kpro and go to Idle and adjust the slider bar towards the left and see if that works.
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1,846 Posts
yea what he said... it might be rusted or clogged or something... also check to make sure that the wire is plugged into it. Then if all else fails u need to adjust it from kpro
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34 Posts
well the thing i dont get i drove the car this motor came out of then 30 min later we took the engine out so if the car drove normal then why not in my car?
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1,846 Posts
in that case either the plug into the bottom of the TB is not plugged in poperly.. or u need to adjust it with the ecu... or there is a leak somewhere on the manifold
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129 Posts
When I had the same problem it ended up being the intake manifold gasket.
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thankz i will take a look at that as well any more sugestions guys?
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34 Posts
If i didnt change the coolant temp sensor from my d17 to my k20a2 could this also be part of the problem?
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1,846 Posts
NO...
go buy a few cans of brake cleaner.. spray all around your mani where there could be possible leaks.... gaskets obetween the head and the TB. hoses attached to the mani and so forth.. if you spray and it stop surging then u found ur leak
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34 Posts
ok so im guessing the car should be on while im doing this
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1,846 Posts
yezzir!
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ok man look car is idling normal the only problem is the car is smoking white. is this normal? only started doing it when i started to spray
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1,846 Posts
yea its gona blow white smoke wen it sucks it up and burns it off...
let me get this straight....
wen ur not sprayin the idle goes up and down??
wen u start spraying it stop fluctuating and blows white smoke?
find the area where u spray and it stops going up and down... thats where u have a vacuum leak
let me get this straight....
wen ur not sprayin the idle goes up and down??
wen u start spraying it stop fluctuating and blows white smoke?
find the area where u spray and it stops going up and down... thats where u have a vacuum leak
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34 Posts
ok i r e car for about 15 min and the idle stoped and the smoked is still just a tiny bit but mostly stoped i dunno what it was that i sprayed but i think it was one of the sensors and i unclogged it thankz alot will post again if problem returns
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34 Posts
problem fixed thanks to alll who helped out with an input!!!
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834 Posts
So what was the problem.
yea was it a vacuum leak????????
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one of the sensors were dirty im assuming because i turned on the car and hevely sprayed each sensor and the idle immidetly dropped no problems since thanks alot car runs great
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