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Car has sat for a year or so and now will not start unless you spray starting fluid in the intake path

Tiny
5920COMP
  • MEMBER
  • 1989 VOLVO 780
  • 12,000 MILES
At first didn't think fuel pump was working. Now I hear it pumping but injectors are not yielding fuel!
Monday, December 5th, 2011 AT 6:29 PM

3 Replies

Tiny
JACOBANDNICKOLAS
  • MECHANIC
  • 109,772 POSTS
You can hear the pump run, but it may not be producing enough pressure to run the engine. Check fuel pump pressure first.
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Monday, December 5th, 2011 AT 6:30 PM
Tiny
5920COMP
  • MEMBER
  • 7 POSTS
What should it be?
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Monday, December 5th, 2011 AT 10:17 PM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
2.3 engine
Line pressure 300 kPa (43 psi)
Rest pressure 200 - 300 kPa (28 - 43 psi)

2.8 engine
Line pressure 250 kPa (36 psi)
Rest pressure 150-250 kPa (21-36 psi)
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Monday, December 5th, 2011 AT 10:33 PM

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