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1989 Volvo 780 Repair Question


Topics covered: Fuel pump.
Mileage: 120,000 miles.

Asked on December 5, 2011

Car has been sitting for a year or so and was running at that time

Car will not start right now unless starting fluid is sprayed in intake path. Believe injectors are not firing!
Avatar Asked by 5920comp

Answer

Replied on December 5, 2011

Check fuel pump pressure.

Tiny Answered by Jacobandnickolas (expert)
57,318 answers provided
Replied on December 5, 2011

Could be if you check it with a noid lite

Tiny Answered by rasmataz
68 questions asked
Replied on December 5, 2011

I checked just by opening line to see if pump was pumping, because pump was not pumping at first. Is there a minimum pressure to trigger injectors to open?

Tiny Response from 5920comp
2 questions asked

Replied on December 5, 2011

Thank you sir. Do you know pump pressure specifications?

Tiny Response from 5920comp
2 questions asked
Replied on December 5, 2011

42 psi

Tiny Answered by rasmataz
68 questions asked
Replied on December 6, 2011

Thank you sir, I will check and confirm!

Tiny Response from 5920comp
2 questions asked

Replied on December 6, 2011

let us know what you find.

Tiny Answered by Jacobandnickolas (expert)
57,318 answers provided
Replied on December 7, 2011

Will do!

Tiny Response from 5920comp
2 questions asked