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i have a 97 honda civic with a obd2 zc motor its has an idle problem in neutral it revs between 1000 to 2000rpms thought it mite have been the ivac but replaced it and still idles the same what else could it be
 

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Defender of the D
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Ok well what has happend is he has a 97 civic coupe dx.. He Fucked up the stock y7 and replaced it with a jdm zc obd2 from tiger japanese. He put that in and used the stock y7 IM and a egay header, running no O2 senors. Its had this problem for awhile and he took the IACV off and cleaned it.. still the idle flucuation. So I orderd another one from sleepinciv and he put it on, an it still flucuates but he said it goes to almost 3k rpm now... so WTF??
:3dtard:

BTW this is my friend Kyle..
 

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no o2 sensorscould be a problem...is it throwing any codes, it also sounds like it could be a tps or map sensor issue
 
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