Truck Forums - Surging under load

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Fishn

07-18-2008 11:47 AM

Surging under load

Hi There, I have a 1992 sierra ,454 tbi. When loaded and usually going uphill I will get a "surging " Not to sure what is Happening. New plugs/ wires ect. still happens but only when loaded. Any idea's. Tbi fuel pressure reg?
Thanks

tanmangmc

07-18-2008 11:53 AM

RE: Surging under load

Well i was going to say that you need new wires! Did you buy some decent wires or bottom of the line? I know plug wires are not something you want to cheap out on..

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