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running rich? PROBLEM. advice needed.
When i go from 1st to 2nd.. i hear a back fire from my exhaust.. almost sounds like..
*BAM*BAM*BAM*BAM. (3,4 times consecutively.. like gun shot going off)
this only happens from 1st to 2nd at high revs (close to red line).
And no, i'm not running rich at all. On my vafc, it shows at that point in shift.. i'm running 5% lean.
Any one know what's going on? The cat? Exhaust leak?
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