Replaced PCM, fuel pump relay, fuel pump, fuel pump relay, but fuel pump not running when key on. truck starts for a second then shuts off.
Feb 12, 2017 at 6:13 AM
external fuel pump failure
RICHARD SMITH2
- MEMBER
- 2 POSTS
check for power and ground to pump is relay sending power? is fuse or fusible link good dual or single tank?
Feb 12, 2017 at 7:49 AM
I am not seeing an external pump for this truck, is this a modification?
The Medic
The Medic
Feb 12, 2017 at 8:40 AM
Thx 4 reply,now got pump energized but trk starts and runs rough,hiccups and stalls initially. If I use pedal to idle up engine and maintain 4 several mins she will
Run on her own but still hear hiccups or missing sounds.replaced fuel pressure regulator,o2 sensor also
Run on her own but still hear hiccups or missing sounds.replaced fuel pressure regulator,o2 sensor also
Feb 14, 2017 at 4:24 AM
check fuel pressure with a gauge auto parts rent it see link
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
https://www.2carpros.com/articles/how-to-check-fuel-system-pressure-and-regulator
Feb 14, 2017 at 4:49 AM