Not starting unless I add fuel in throttle body?

Tiny
REDROSE1978
  • MEMBER
  • 1998 OLDSMOBILE BRAVADA
  • 4.3L
  • V6
  • 4WD
  • AUTOMATIC
  • 140,000 MILES
It will start only if I'm pouring gas into the throttle body but shuts off as soon as that gas is burned. It was running fine then suddenly just shut off. Is the problem with the fuel pump? It is getting fuel to the top of the motor. Please help me.
Saturday, August 24th, 2024 AT 1:38 AM

1 Reply

Tiny
KEN L
  • MASTER CERTIFIED MECHANIC
  • 47,702 POSTS
Yep, the fuel pumps go out in these cars, to be sure can you turn the key on without cranking the engine over to see if you hear the fuel pump run in the tank for about 5 seconds? You can be sure if you break into the gas tank harness to test the grey wire of power when cranking. If it has power and you don't hear the fuel pump it is bad and needs to be replaced, here is how:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

Do not remove the fuel tank with gas in it, here is how to drain the fuel out, do not have open flames:

https://youtu.be/Q5MH2gnyFH0?si=kp0VS37BDELXicAr

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Saturday, August 24th, 2024 AT 11:22 AM

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