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1987 Ford Bronco Fuel rail pressure

Tiny
GBRAD1380
  • MEMBER
  • 1987 FORD BRONCO
Engine Performance problem
1987 Ford Bronco V8 Four Wheel Drive Automatic

Just replaced the tank pump (old one was shot) Before replacement, the pressure was about 50 psi for the few minutes it would run before quitting. With new tank pump, the rail pressure is now 80psi. This seems a bit high to me. Anybody know what the correct pressure should be?
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Saturday, December 13th, 2008 AT 6:51 PM

1 Reply

Tiny
DAVE H
  • MECHANIC
  • 13,383 POSTS
FUEL PUMP SPECIFICATIONS
ApplicationSpecification
High Pressure
Pressure.50-60 psi (3.5-4.2 kg/cm2 )
Volume .35 pint (.17L) in 10 seconds
Low Pressure - Volume.1 pint (.47L) in 10 seconds
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Sunday, December 14th, 2008 AT 7:21 AM

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