Question about 2000 Chevrolet Silverado

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98 silverado 5.7l no power when under load

Replaced rotorcap and button,plugs and wires ,fuel filter ,catilatic converters,pressure test fuel system,cleaned injectors and changed hole injector unit and also egr valve,and there are no codes showing up even tried new altenator

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  • Fernand Luc Bergeron
    Fernand Luc Bergeron Jul 06, 2010

    what is your trouble ? no start ?

  • jimmy_george Jul 06, 2010

    no when driving and you try to speed up seems like truck is not getting enough fuel and will not go over 3500 onthe tack

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  • 541 Answers

No codes ? it happens, guess we'll go the old fashion way then. you are going to have to test every sensor like throttle position, idle mixture, mass air flow etc. and replace the ones that are defective. does it smell like gas coming from the exhaust ? this could be the choke being stuck, also controlled by computer that controls everything from the info it gets from the sensors.

Posted on Jul 06, 2010

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