Question about 1999 Chevrolet Silverado 1500

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I have a 2000 chevy 1500 5.3L engine. Ive replaced the plugs and wires and replaced the fuel pump but when the motors warm it is hard to start, dont know what to check next?

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Ignition coil and/or module and could also be a cam/ceankshaft sensor going south.

Posted on May 02, 2010

Testimonial: "thanks for the advice, but it seems each cylinder has an ingnition coil. Im going to try the crankshaft sensor and see if that helps."

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Check your fuel pressure regulator. It is on the fuel rail on the driver side of the motor. Look for a vacuum line that is hooked to the top of the regulator. Pull the vacuum line off and if gas runs out then the regulator is bad. I have the same problem right now on my Chevy. They are between $50 and $80. Hope this helps.

Posted on May 18, 2010

  • Aaron Estep
    Aaron Estep Nov 26, 2010

    i have to agree with the fuel pressure regulator. had same prob. changed everything but this. and that was the prob. easy to get to and easy to fix..

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