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yes you should be able to hear the fuel pump run for about 5 seconds once the key is turned to the on pos. check to make sure you have spark. if you do try having someone spray air intake or carb cleaner into intake manifold while you crank. If the truck starts right up for a second (or stays running as you keep spraying) Id say you have a bad fuel pump and id change the sending unit also. (First check the fuel pump fuse and fuel pump relay) GMC and Chevy are nororiously known for having bad fuel pump/sending unit problems. I have prob changed over 60 myself.
IF U HAVE A BAD FUEL PUMP OR A FUEL
FILTER BUT THE FUEL PUMP BAD BECAUSE OF THE FILTER MORE THAN LIKELY SO I WOULD REPLACE BOTH IF THE PRESSURE IS NOT BETWEEN 45 PSI AND 55 PSI. GOOD LUCK CHEAPEST PLACE FOR A PUMP AND FILTER IS ADVANCE AUTO PARTS JUST REPLACED THE ONE IN MY TAHOE.
hi i have a 1997 chevy tahoe that starts but won't stay running i have changed fuel pump, fuel filter,relay ,spark plugs, and just changed rotor and dis. cap ready need some help to figure this out please.
Ok. sounds like you have already replaced the most likely suspects, but let me ask you a few questions to see if I can help you. When you try to start the vehicle is it firing? Do you have fuel pressure getting to the injectors? O.K. this next question will sound a little strange, but it will tell me if the computer control system is working. When you try to crank the vehicle, does the RPM guage move at all while engine is spinning? Let me know the answers and I will try to help you.