1992 Chevy Silverado knocking/pinging

1992 CHEVROLET SILVERADO
85,500 MILES • V8 • 2WD • AUTOMATIC
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KEVRO
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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.
Feb 20, 2009 at 5:09 AM
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CHEVY GIRL TWO
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  • 1 POST
use stp oil treatment
Feb 24, 2009 at 4:05 AM
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