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Re: Can't find misfire
Is a misfiring or is cutting out like a vacuum leak? If it is cutting out when you first start it up and gets better as it gets warm I'd check the intake manifold gasket and TB base gasket for vacuum leaks as well as everything attached to the intake manifold. IAC valve failure can also cause stumbling.
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1991 R3500 3+3 C+C 6.2/4l80e/14ff Fleetside Dually
1992 K2500 ECLB 5.7/4l80e/14sf(g80) 8600gvwr
1991 CR500 (95 Burb wouldn't stop catching fire  )
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