Slight Detonation at WOT...

By psychoticide
October 30, 2002 in 1999-2013 Silverado 1500 & Sierra 1500

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psychoticide

Posted October 30, 2002

At wide open throttle (WOT) I experience a little detonation....this happened both now and before the Hypertech. Is this "normal"? Will plugs and wires fix it? If not, what will?

(I have tried both the 87 and 93 engine tuning...same amount of detonation every time)

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