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1992 Chevrolet Astro fuel system issues?

Tiny
THEJANKY
  • MEMBER
  • 1992 CHEVROLET ASTRO
  • 4.3L
  • 6 CYL
  • 2WD
  • AUTOMATIC
  • 100,000 MILES
Vehicle was running fine then died. Now will start and run great until u let off gas and it dies almost immediately. I have replaced a fuel filter, throttle positioning sensor, and the fuel pressure regulator with zero change.
Monday, June 15th, 2015 AT 6:28 AM

1 Reply

Tiny
HMAC300
  • MECHANIC
  • 48,601 POSTS
Check fuel pressure It may be low. Should be 9-11 psi auto parts rent gauge but you'll probably need an adapter to check it. Also have ignition module checked and check wires on top of tbi unit for breakage.
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Monday, June 15th, 2015 AT 6:50 AM

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