Question about 1992 GMC Sierra K1500

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I have a 92 GMC K1500 I drove approx. 2 miles to deliver a package truck was running fine. shut it off approx 10 min. later would not crank. pulled off air breather was not getting fuel. thought fuel pump went out so called tow truck and had towed to repair shop.sat overnignt. truck cranked next morning. Mech. still puzzled what would caues this problem? thanks for the help. Truck has sparkplugs and not injectors.

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It can still be the fuel pump.the pump could be getting hot and not working. If u let it set for awhile and cool down it will start. You need to do a fuel pressure test it should read between 40 and 50 psi. Let it run for awhile and see if the pressure drops. If so I would replace the pump

Posted on May 25, 2011

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