Quote:
Originally Posted by bcredliner
To determine if it is poor or fluctuating voltage at the pump conectorDisconnect the connector from the fuel pump and fuel level sensor.
Make sure fuel pump voltage is 12.6 (assumes battery is good and fully charged).
Attach ammeter between pump lead and harness.
Connect jumper wire between pump and harness. Be careful not to short to ground.
Attach jumper wire to fuel pump relay socket.
operate fuel pump by removing pump relay. Connect relay socket 30 to socket terminal 87 with 14 gauge wire that has 15 amp fuse link and toggle switch if you can. Fuel pump operates when jumper is connected.
The normal fuel pump consumption is 9.6 amps. Higher than normal indicates worn fuel pump which will cause your symptoms. Lower than normal may indicate fuel line blockage.
The above is how to test the voltage to the pump how many amps it is drawing.
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I'm already replacing the fuel pump with a new one, so regardless if the voltage the pump is throwing is working or not, It's going. Now, if there was a problem that the pump wasn't receiving enough voltage or current, could this be causing the problems I am experiencing?
I'm just afraid that come Monday when I get my new pump in, I won't fix the problem! If a new pump doesn't fix it, what else could I be looking at?