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Category: Ford
Satisfied Customers: 26461
Experience:  ASE CERTIFIED TECHNICIAN ADVANCED LEVEL SPECIALIST. Wisconsin certified emissions state inspector
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2005 F150: 5.4L..engine light came..truck wouldnt start..fuel pump

Customer Question

2005 F150 5.4L V8
check engine light came on 6 months ago. a couple weeks later the truck wouldn't start. fuel pump wasn't running.
replaced the fuel pump. fuel pump didn't run. check the ground and it was bad. put a new ground in directly to frame. truck ran, cleared the check engine code, light came back on after a couple miles. fast forward to last week....truck won't start. pump isn't running.
replace fuel rail pressure sensor. still nothing. any ideas?
Submitted: 6 years ago.
Category: Ford
Expert:  AMEDEE replied 6 years ago.
Hello there!

Does the check engine light come on with the key in the on position?

Does it go off while cranking the engine over?

Have you checked power to the fuel pump when turning the key on and cranking the engine over?
Customer: replied 6 years ago.

check engine light does come on with the key in the on position.

goes out while cranking.


I replaced the fuel pressure driver module.


still not starting.


now i get an error code p1237

Expert:  AMEDEE replied 6 years ago.

Does the engine run with starting fluid?
Expert:  AMEDEE replied 6 years ago.
P1237 Fuel Pump Secondary Circuit Malfunction

Possible Causes
* FP power (12v) circuit is open or shorted
* FPDM return circuit to the fuel pump is open
* Fuel pump circuit is open or shorted
* Fuel pump rotor is locked
* FPDM has failed
Customer: replied 6 years ago.
i'm not accepting because i fixed this myself.
Expert:  AMEDEE replied 6 years ago.
Not a problem!