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Idle issue...

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Old 11-22-2009, 04:08 AM
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Default Idle issue...

I have a b16a2 swapped into a 96 EK coupe....

Anyways I really didn't have any problems till I switched to a chipped ecu.

Now when my car is cold my idle hops from 1500rpm to about 2k. It happens intermidently and only on idle.

Also I notice that if I leave my car idling and it warms up it stops and idles at 900-1krpm.

Any idea what could be causing this? Is it the ECU? or is it another problem?
Old 11-22-2009, 08:45 AM
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Default Re: Idle issue...

sounds like an iacv
Old 11-22-2009, 12:30 PM
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Default Re: Idle issue...

Originally Posted by acake em1
sounds like an iacv
Well I just installed my skunk2 intake manifold about a month ago and I cleaned out the iacv and didn't have any issues till the day i put it in the new ecu.
Old 11-22-2009, 12:40 PM
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Default Re: Idle issue...

did u install your ecu and clean out your iacv at the same time?
Old 11-22-2009, 12:44 PM
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Default Re: Idle issue...

Originally Posted by acake em1
did u install your ecu and clean out your iacv at the same time?
No like I said I put on the new ecu about two days ago and cleaned the IACV last month.
Old 11-22-2009, 12:48 PM
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Default Re: Idle issue...

no cel i assume?
Old 11-22-2009, 01:47 PM
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Default Re: Idle issue...

Originally Posted by acake em1
no cel i assume?
nope....
Old 11-22-2009, 02:28 PM
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Default Re: Idle issue...

what ecu are u running?
Old 11-22-2009, 02:28 PM
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Default Re: Idle issue...

what kind of chip? if it is programable ecu you need to turn the duty cycle of your IACV down
Old 11-22-2009, 09:20 PM
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Default Re: Idle issue...

Originally Posted by HCivExoo
what kind of chip? if it is programable ecu you need to turn the duty cycle of your IACV down
It is a chipped ECU from monotech.
Old 11-22-2009, 10:12 PM
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Default Re: Idle issue...

do u know what ecu it is though...
Old 11-23-2009, 02:24 AM
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Default Re: Idle issue...

Monotech? never heard of them .... i would try and talk to who ever tuned the chip for you.
Old 11-23-2009, 12:49 PM
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Default Re: Idle issue...

happened to my car, clean the iacv, then check wiring, then ecu... may be one or a combo of all of them.... or maybe whoever tuned it messed up... and does it ever sputter when youre driving at all???
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