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See you in the funny papers
04 CTS-V, 05 STS, 07 SRX- All sold :(
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Welcome to the forum :wave:.

If you're referring to spark knock, it could be many things: If you're stock, I'd look for bad gas, carbon buildup on the pistons or a clogged fuel filter. If you're modded it could be your tune.

Let us know a little more about your car and we might be able to help.
 

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can u explain this ping sound, thanks...... i noticed lately that I can hear my car spinning the rpms louder than usual......
 

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Discussion Starter #5
thanks for suggestions,car is stock for now,still shmoozing wife for going along with the purchase.I did just have a bg44k induction service on it and haven't had the chance to drive it hard since so hopefully the problem will be gone.
 

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Discussion Starter #6
forgot to describe sound it does sound like a knock wich scared the shit outta me at first,but I had a 94 z28 that would make a similar sound,it's just a very quick ping.
 

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Umm, if it's stock and it's pinging you should take it back to the dealer. Are you using 87 octane or something? Is your wife filling it up?
 
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