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Old 05-01-2007, 01:21 AM   #24
IHateHacks
20psi boost
 
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I just took it for granted that you didn't have any vacuum leaks.

A vacuum leak after the MAF will cause a check engine light (for the MAF) and will also cause a lean condition which will cause that pinging sound you hear.

I think the TB gasket will fix your problem.
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