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Originally Posted by nick bamberger
Will make a pinging sound when engine is under a load. Usally isn't constant, only heard under certain conditions.
Sounds like your problem is completely different.
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Check your MAF...... and clean it lightly with a Q-tip dipped in rubbing alcohol.......
what happens is that maf gets contaminated and will give the computer a wrong reading of the wrong amont of air the engine is sucking in....causing the wrong timing advance and fuel mixture..... causing it to spark knock.... i think that is what you are describing.......if not check your knock sensor..
Kevin