Quote:
Originally Posted by ivmotor
It probably is, but without adding knock sensor pids to the datalog I wouldn't be able to tell you.
First step, have your tuner do a global -5 degrees. See if the noise goes away and the timing smoothes out. If that has no effect, you have something vibrating. Check mounts, header clearance near frame, accessory brackets to block, etc.
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Hey thanks very much for your help so far.