Question about 2002 GMC Sierra C/K1500
The GMC does not get gas to start. Has new fuel pump, and fuel pump relay. Once it starts it runs fine with absolutely no problems, but will not start in the morning without pouring small amt. of gas down carberator throat.
Take off your gas cap and have someone stand there with thier ear at the hole, (no smoking), turn the key to on just before start and they should hear the fuel pump humming. if they dont then try to start. if it doesnt start turn key off and at that instant the pump should be heard again. What i think is happening is your pump is not energizing . Its supposed to energize when turning your key on and off. This can be caused by a bad fuel pump or pump relay switch. Hope this helps. please rate me
Posted on Jan 12, 2009
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Posted on Jan 02, 2017
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