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Tune up complete - Still takes 2-3 attempts before engine starts...why?

Discussion in 'General Chevy & GM Tech Questions' started by DigDirt, Jan 23, 2011.

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  1. DigDirt

    DigDirt New Member

    1999 K1500.....replaced plugs, wires, cap & rotor....engine starts after 2 or 3 attempts. Any ideas what else I can do to improve starting?

  2. dpeter

    dpeter Rockstar 4 Years 500 Posts

    What constitutes an attempt? 2 or 3 seconds a try or 5 to 10 second a try? when you turn the ignition on are you able to he the fuel pump run for a few seconds? I believe the computer turns on the fuel pump relay initialy, for it to continue to opperate it needs to see the engine cam/crank sensor being triggered. You may not have enough fuel pressure at start to fire it.
  3. DigDirt

    DigDirt New Member

    Thank you dpeter. That seemed to do it.

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