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v9ff v9ff is offline
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Join Date: Dec 2003
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I have a 1984 with a Fabspeed premuffler, Borla single out and no O2 sensor and I often get a pop when I release the accellerator upon shifting.

Is the problem really a leak in the exhaust system somewhere? If so, no one has been able to explain to me exactly why this phenomenon occurs. Anyone willing to try?

I know the car is running rich so it can't be a lean issue.

Let me know what y'all think!
Old 01-07-2004, 11:29 AM
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