Question about 1988 Volvo 240

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No fuel at fuel rail

Not get any fuel at fuel line at motor

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  • dungiven41 Mar 09, 2009

    94 Mazda B4000 .

    Fuel pump is running but system does not build up pressure.

    This has happened before, but then after one or two minutes it would

    start-up.

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  • 104 Answers

Assuming it is fuel injected, is the fuel pump operating? Check to see if you can hear the pump when you turn the key on, usually located in or on the fuel tank, pump should run for 5 seconds or so when you turn the key on and then switch off. If you can't hear it, find the plug for the fuel pump wiring at the pump, unplug it and use a test light across the terminals to see if it is getting any power (remember that the power will only be there for 5 seconds or so after you turn the key on). If it is getting power, then the pump is dead, and if it's not then there is an electrical problem.
Also, some euro cars have a fuel pump shut off switch which activates in the event of an accident, isolating the power to the fuel pump. Check to see if your vehicle has one and reset it if necessary.
If pump is running, check fuel lines to see if damaged or crushed.

Posted on Oct 25, 2008

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Exploded view of the fuel rail and injector mounting


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