Thread: Air Leak?
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Pinsko Pinsko is offline
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Join Date: May 2007
Location: Houston, TX
Posts: 66
Air Leak?

Drove my '91 965 to the car wash this morning and it ran great. Idle AFR between 13 and 14. Tires spinning in second gear...

After getting the car washed the idle and pre boost AFR was at 20! It would drop to approx. 13 when pushing the clutch pedal in and revving the engine to approx. 4000RPM w/o load.

When I got home I heard a faint hissing noise coming somewhere from the left side of the intercooler. Do I have an air leak? If so, how can I identify and rectify it?

Thanks.
Old 07-25-2010, 08:24 AM
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