Question about 1991 Chevrolet C1500

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1990 chevrolet c1500 silverado

When I press the excellerator, especially when driving at high mph, the engine hesitates like I'm losing power or not getting any gas. It is a random occurance and when it does happen it usually only happens a couple times then drives fine.

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  • curdogxx Oct 09, 2008

    I too have the same problem

    only with a 93 gmc 1500 pickup 5.7L So I changed the plugs, wires, distributer cap & router. Now it won't even start...checked the firing order & was all good, totally stumped

  • Anonymous Nov 12, 2008

    I have the same problem on my 94 c1500. Hesitates when accelerating. I only replaced the fuel filter so far with no improvements. Did anyone here fix their problem?

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  • 231 Answers

Things to check
timing
ignition system: coil, plugs,rotor,cap, lead wires
dirty injectors
fuel pressure
air filterfuel filter
EGR system
air leaks at throttle body and manifold

Posted on Oct 09, 2008

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