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Discussion Starter · #1 ·
I just replaced the fuelfilter because my other one went bad...I let my car run for about 10 minutes and has a very loud pinging. When it is in park or nuetral, it will rev it self up to 2500rpm's and then drop to 1000rpm's...then it keeps doing that none stop, this has been going on for awhile though and would like to fix it..any sugestions?
 

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do you have a GT? or N/A engine?

What grade gas did you get? Premium? If you have a GT, and you used regular fuel, your knock sensor may have gone bad, which would cause the pinging.

Geez, i've never heard of an engine acting that eratically before!
 
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