fuel problems key on not running is 43 psi?

1994 CHEVROLET CAPRICE
132,594 MILES • 5.7L • V8 • RWD • AUTOMATIC
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JOHN SWARTZ
  • MEMBER
  • 6 POSTS
car has a lt1. Fuel pressure, with key on not running is 43 psi. Holds for a few seconds then drops to zero.Car will start and run with a shot of ether and will start after.What could be the problem?
Jan 18, 2015 at 12:20 AM
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HMAC300
  • ✓Experienced Mechanic
  • 48,601 POSTS
check for leaking injectors/fittings if not that replace fuel pressure regulator.
Jan 18, 2015 at 2:52 AM
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STRAILER
  • ✓Experienced Mechanic
  • 55,649 POSTS
Yep, the fuel pressure regulator might be leaking internally, I would remove the vacuum line to see if fuel is present and if so replace the regulator. Here is the location. Check out the images (below). Let us know how it goes
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Oct 17, 2024 at 11:21 AM
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