1992 Chevy Silverado knocking/pinging

Tiny
KEVRO
  • MEMBER
  • 1992 CHEVROLET SILVERADO
  • V8
  • 2WD
  • AUTOMATIC
  • 85,500 MILES
My 92 silverado w/5.7L 350 is knocking/pinging when accelerated. I drive 1 mile to and from work daily, and thats all the mileage that's put on it most days. I have replaced plugs/wires/air filter and cleaned AGR valve. Could the problem stem from carbon buildup?

Please advise.
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Friday, February 20th, 2009 AT 1:09 PM

1 Reply

Tiny
CHEVY GIRL TWO
  • MEMBER
Use stp oil treatment
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Tuesday, February 24th, 2009 AT 12:05 PM

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