fuel pump noise...not normal
- Thread starter jmd2914
- Start date
Go back the the Cranks OK, but No Start Checklist for Fuel Injected Mustangs i posted for you earlier. You will find the following:
"Clue – listen for the fuel pump to prime when you first turn the ignition switch on. It should run for 5-20 seconds and shut off. To trick the fuel pump into running, find the EEC test connector and jump the connector in the Upper RH corner to ground. The EEC connector is near the wiper motor and LH hood hinge.
If the relay & inertia switch are OK, you will have power to the pump. Check fuel pressure – remove the cap from the schrader valve behind the alternator and depress the core. Fuel should squirt out, catch it in a rag. Beware of fire hazard when you do this. In a pinch, you can use a tire pressure gauge to measure the fuel pressure. It may not be completely accurate, but you will have some clue as to how much pressure you have. If you have any doubts about having sufficient fuel flow/pressure, rent or borrow a fuel pressure test gauge from the auto parts store. That will tell you for sure if you have adequate fuel pressure."
Work the checklist from top to bottom and you will quickly find the problem. It will save you from chasing rabbits and spinning your wheels getting no where.
"Clue – listen for the fuel pump to prime when you first turn the ignition switch on. It should run for 5-20 seconds and shut off. To trick the fuel pump into running, find the EEC test connector and jump the connector in the Upper RH corner to ground. The EEC connector is near the wiper motor and LH hood hinge.
If the relay & inertia switch are OK, you will have power to the pump. Check fuel pressure – remove the cap from the schrader valve behind the alternator and depress the core. Fuel should squirt out, catch it in a rag. Beware of fire hazard when you do this. In a pinch, you can use a tire pressure gauge to measure the fuel pressure. It may not be completely accurate, but you will have some clue as to how much pressure you have. If you have any doubts about having sufficient fuel flow/pressure, rent or borrow a fuel pressure test gauge from the auto parts store. That will tell you for sure if you have adequate fuel pressure."
Work the checklist from top to bottom and you will quickly find the problem. It will save you from chasing rabbits and spinning your wheels getting no where.
I'll go through the list. i was just wondering because i hadnt had much time to work on it, i thought that maybe the odd sound of the fuel pump would be indicitave of it going out that way i could start there. also is the sender for the gas gauge in the tank too? cuz my fuel gauge sticks above full till about a half tank and i wanted to take care of that too while i was in there
**UPDATE** tried getting the fuel pump to run, by jumping it from the EEC it worked but the pump still sounded like it was grinding. put about a half gallon of gas in it from a gas can i had laying around and it started right up, shut it off, went to start it again and its back to doing the same thing that it was. so would it be the pump thats bad? oh i also changed my fuel filter and its still doing the same thing
thanks
Joel
thanks
Joel
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