Mechanics

NO VOLTAGE TO FUEL PUMP RELAY

1995 Nissan Quest • 110,000 miles

My wife got in her 1995 Quest this morning to go to work and it would not start. Engine turns over nicely buy absolutely no fire. I checked and could not hear the fuel pump energize when I turned the key on. The fuel pump fuse is good. I pulled the fuel pump relay and am not getting any voltage at the relay with the ignition key turned on. Does anyone have some advice on what I should check next?
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Gmullen1
September 29, 2011.



You should only go by the fuel pressure readings not that you cant hear the fuel pump coming on. You wont have constant power to the fuel pump only a couple of seconds when first turning on the key. Then while cranking the engine you will have power. Put the relay back in and check power across the fuel pump fuse both sides of it while cranking the engine over. Also check for spark.

Saturntech9
Sep 29, 2011.