P0351 fault code?

STEVESC

MEMBER
1997 FORD F-150
V8
4WD
MANUAL
225,000 MILES

Truck running bad. Checked codes got p0351. Witch in coil pack a malfunction. Swapped with other coil problems did not follow coil. Changed spark plugs and wires with motor craft parts. Did not fix the problem. Checked wire all the way back to PCM wire was good. After further checks I found that injector one was not pulsing. Swapped it with number two worked in position two. Checked voltage at injector 12v on red wire then checked to see if injector was drawing any current. It was not. Checked wire back to PCM found no problem with wire. I do not know what to do next. Is my PCM causing problem? Or could it be something else?

Wednesday, August 4th, 2010 AT 3:32 PM

1 Reply

SQM

MECHANIC
6,383 POSTS

Hello,

It is possible to have an issue with the PCM. However, it is important to take a look at all the possibilities.

It will require taking a deeper dive and look at a few different components.
I have attached a step by step troubleshooting guide for this issue below.

Please follow these steps and it should be able to help you determine the issue.

Let me know what you find.
Thank you.

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