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SES at idle, NEED HELP!!!

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Old 08-06-2004, 06:09 PM
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Default SES at idle, NEED HELP!!!

I have a 99 T/A A4 with a few bolt ons, predator prog, 3.73 gears. My problem is an SES light that comes on at idle. It starts idling real rough,almost stalls and throws two codes, P01??(fuel trim bank2 too lean), and P0300(random multi cyl. misfire). Any suggestions?
Old 08-06-2004, 06:35 PM
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just at idle?
start with your idle air controler, (clean it)

have you done any work to your car resently?
Old 08-06-2004, 08:28 PM
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Yeah, it only does it after it sits for 15or 20 seconds. IAC is clean. I recently had a custom tune done w/ my predator and they adjusted it 5% richer and advanced the spark at WOT. I flashed it to factory specs with no luck.
Old 08-06-2004, 08:56 PM
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Almost sounds like a vacuume leak.




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