by woody9779 on November 14th, 2009

woody9779

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Have a 1993 Chevy s-10 blazer with vortec engine. back fires and loses power unless pumping the gas peddle continuasly. Replaced the fuel pump, regulator, sending unit, filter and strainer. Out of ideas. Any help woud be great

Answers. 2 helpful answers below.

  • by DrMcNasty on November 16th, 2009

    DrMcNasty

    could be loosing oil pressure too. No oil pressure no fuel presure

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  • by jeffrowrench on November 16th, 2009

    jeffrowrench

    haven't seen your truck, but here it goes. I'm assuming that the fuel system has been checked and doesn't bleed off. next thing to check is map sensor. after that egr valve.

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You're reading Have a 1993 Chevy s-10 blazer with vortec engine. back fires and loses power unless pumping the gas peddle continuasly. Replaced the fuel pump, regulator, sending unit, filter and strainer. Out of ideas. Any help woud be great

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