Question about 1993 GMC Sierra K1500

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1994 Sierra stalls after it is warm...

It will start right away if I shoot starter fluid down the throttle body or wait 15 minutes. I have had the pump checked and have replaced the Oil censor, feul filter and control module but I still have the problem. Actually it is now happening more frequently.

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  • redeye11946 Sep 11, 2009

    I have verified the feul pump is working, and I assume the relay is as well since the car runs after i do get it started. Is it possible that the relay kicks on after the car fires?

  • redeye11946 Sep 11, 2009

    I have verified the feul pump is working, and I assume the relay is as well since the car runs after i do get it started. Is it possible that the relay kicks on after the car fires?

  • redeye11946 Sep 16, 2009

    I've changed the coil and module after the problem had occured again and it didn't resolve the problem. Any next step advice? I am now leaning toward the main computer, it doesn't seem warm, could it be the next step?

    Feul system seems fine as well (had it checked by a shop)

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When it does it have someone listen at the gas tank turn key on should hear fuel pump come on if not. check the relay under ther hood

Posted on Sep 11, 2009

Testimonial: "This site is great. Thank you for your help, seems like it is a common problem for these."

  • ironmike13 a Sep 12, 2009

    if the pump is coming on when the key is turned on its not the relay it runs apr. 10 secs. when preasure builts it shuts off

    it may be a vopor lock when it gets hot is the spark ok when you have the problem sometimes the coil overheat and the spark gets week

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