Question about 1990 Chevrolet K2500

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1990 Chevy k2500 truck with 350 5.7 engine seems to be not getting gas. Can hear the fuel pump working in the tank.What could be the prob?

Posted by Anonymous on

  • Anonymous Nov 29, 2010

    replaced the fuel filter

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Stoney Thompson

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  • 433 Answers

Sounds like you have got a pluged fuel filter, should be in the line somewhere along the body

Posted on Nov 29, 2010

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It sounds like the engine is pulling fuel from the tank, and not replacing it with air, causing a vacuum to build in the tank. The vacuum, may build to the point that it resists the fuel pump's efforts to **** fuel from it. If the vacuum is sufficient, it may collapse the tank, or expand the fuel enough for the engine manifold vacuum to **** raw gas into the evaporative emissions control system, hence the cannister.

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