Honda Civic Performance - JDM Discussion Engine tech, forced induction, springs, shocks, brakes, tires, etc.

Idle problem

Old 27-Sep-2005, 11:28 PM
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Idle problem

After I installed my intake, my car's idle bounces between 1000 and 2000 rpm, and my check engine light ca mon after about 15 min of driving, i also put a crankcase breather on, it's a 99 si d16y8. what going on with my car?
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Old 27-Sep-2005, 11:46 PM
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maybe...and this is maybe, you need to reset your ecu....if everything is plugged in to the intake, disconnect your battery for a few moments, and it will be fine...I had the exact problem with my d16y8, and that fixed the prob...hope this helps....


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Old 28-Sep-2005, 07:11 PM
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Sounds like a vacuum leak. Make sure all vacuum lines are plugged in.

Oh and a word of advice lose the breather, you don't get any power from it and it is definetly not worth the $375 ticket.
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Old 28-Sep-2005, 11:55 PM
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yep, most def a vaccum leak
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Old 29-Sep-2005, 09:23 AM
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whats the code when your engine light came on?
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Old 29-Sep-2005, 09:32 AM
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Did you re-install your Intake air temperature sensor?

Check to ensure all the vacuum lines are hooked up properly and as Cablerat said, check the codes coming from your ECU.
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