Question about 1999 Chevrolet Silverado 1500

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1993 5.7 SILVERADO TRUCK hardly driven only 50000 miles started up ran for 15 min just in neutral then died out. tried starting starts but rough idle cannot idle now.

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Likely a blown head gasket sucking air and that messes up air/fuel ratio.

Posted on Mar 18, 2011

  • Rottweiller Mar 18, 2011

    sorry meant leaky intake manifold gasket my bad must have been a late night tired thing....see intake manifold leak means your trucks computter will stumble an fight for proper fuel/air mix because it cannot account for extra air entering intake chamber spraying small amount of brake clean around manifold seam should help locate leak site as idle will pick up when it sucks a wiff of cleaner.....

  • rambus777 Mar 19, 2011

    checked egr valve not stuck checked fuel pump still working could it be the idle sensor on tbi? if so can the idle sensor be checked before i buy a new one?

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Posted on Jan 02, 2017

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