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fuel injection problem

Discussion in 'Chevy Silverado Forum (GMC Sierra)' started by silverfalcon_hopkins, Oct 30, 2011.

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  1. 91chevy silverado 5.7 ltr got gas to throttle body got power to injectors but wont run unless i pour gas into throttle body then cuts off after gas is gone that i poured in please help
  2. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Sounds like the ignition module went out. That is what fires the injectors. common issue with the 88-94 chevys.
  3. Thanks i had already changed the ignition module i actually discovered the problem yesterday i didnt know that new ecm didnt come with proms so i got to get new proms i had already turned in my old ecm with the proms in for the core charge but thanks again
  4. murdog94

    murdog94 Epic Member 5+ Years 5000 Posts

    Well you didnt mention that you had replaced the ECM, or the ignition module. Glad you got it going.

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