TwinTurbo.NET: Nissan 300ZX forum - Can you hear the fuel pump when you turn the key on?
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Subject Can you hear the fuel pump when you turn the key on?
     
Posted by zellamay on April 30, 2011 at 10:18 PM
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In Reply To newbie help with fuel issue posted by z14phunn on April 30, 2011 at 11:28 AM
     
Message Don't start it, just turn the key on and listen to the rear for the buzzing of the pump. If you don't hear it, then it could be a fuse or a wiring problem. If you do hear it, then do that a couple of times (the pump only runs a few seconds if you don't start the car). Then open the line, say at the filter. If no fuel comes out, it could be a clogged line, or there is a device (a pressure relief/return valve,that I know nothing about) that maintains fuel pressure at the injectors, that could be faulty.

     
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