Question about 1993 Nissan Sentra 4 Door

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How do i know if the fuel pump is not working

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If this is electric it's pretty easy. When you turn the key to on, not the start position, you should hear the pump power up to put pressure on the lines. You can test this pressure at the Carburator or Injectors, depending on which you have. It's not just a matter of having pressure, you have to have the correct pressure range. To locate this information and more testing procedures you should get the Haynes repair manual on your vehicle.

Posted on Aug 03, 2010

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