Question about 1985 Nissan Pickup

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What is the psi of the fuel pump suppose to be for my 1985 Nissan pickup?

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6 Suggested Answers

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Posted on Jan 02, 2017

  • 81 Answers

SOURCE: car wont start

Fuel delivery must be confirmed with a fuel pressure gauge on this vehicle. Disconnecting the fuel line and cranking the engine to see fuel shooting out does not confirm pressure, it only confirms fuel delivery. Remember you need both fuel delivery and pressure. On this vehicle if the psi is off by just one number that's enough to keep it from starting. Also replacing the coil and rotor (as you stated) does not confirm that spark is reaching the plugs. Confirm that both spark and adequate fuel pressure are reaching ALL the spark plugs.

Posted on Dec 28, 2008

  • 676 Answers

SOURCE: Fuel pump not activating and delivering fuel to carb, 1985 Nissan

Check in the fuse block to check for the fuel pump relay.

Posted on May 05, 2009

  • 6674 Answers

SOURCE: fuel pump relay

Try drivers side in rear hatch, ahead of wheel well area, behind trim panel.

Posted on Jul 20, 2009

  • 509 Answers

SOURCE: 1984 nissan pickup fuel pump relay location

If it's like mine, the relay is located on the passenger side fender wall. You should see a set of 5 relays together. It is the first one in the back.

Posted on Jan 01, 2010

  • 100 Answers

SOURCE: nissan pathfinder wont start. fuel

Try drying out the spark plugs. If the car starts after that, then you might have a leaky fuel injector. In my opinion, I think they're wet only because you probably were cranking it alot trying to start the car. I would change out the CAS (crank angle sensor) and see if she runs, as the majority of "not starting" cars I worked on was due to this. Hope this helped!

Posted on Dec 06, 2010

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Check in the fuse block to check for the fuel pump relay.

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I had the same thing happen in my 1985 Nissan Pickup. It would just cut off. It was the fuel pump regulator switch on my vehicle. About a $50 item from autozone.

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