Question about 1989 Volvo 240

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Fuel pump not working. Just replaced fuel pump relay, all fuses are ok. Both fuel pumps are relatively new.

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Check power at the fuel pump , when you put key on ,it should be there for about two seconds (if you are not starting the car) to build up the pressure.
When you cranking engine , power should be constant.
If power not there , go to the relay , check power supply to the relay.If power supply to the relay ok , check signal from ignition switch , if that ok relay is faulty.

Posted on Jun 01, 2010

  • Greg Stefan Jun 01, 2010

    When you checking power to the fuel pump and it's ok , fuel pump is defective.

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