Ignition turns over..but vehicle won't start.

Asked by Nancy Mar 21, 2015 at 02:11 PM about the 2006 GMC Sierra 1500 SL1 8 ft. LB RWD

Question type: Maintenance & Repair

Seems like a computer malfunction  Oil has been changed,  followed the sequence for
after oil changed, but will not start.

1 Answer
10

rangoon answered 9 years ago

It could be the fuel pump. My truck did that once and the fuel pump was the problem. Get as close to the fuel tank as you can and listen. Have someone turn the ignition on but dont crank the engine You should hear the motor on the fuel pump run for a second or two and then shut off. If you dont hear this it could be the fuel pump. You can try to get under the fuel tank and give it a good kick. Sometimes the pump will start working again enough to get it home or to the shop.

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