The main cause for a rough start with the L often lies with the chafing of the wiring harness. It is also known to cause the electrical issues and prevent the. Ok so I went to go ask a diesel mechanic to look at a I was looking at.

A very common wiring problem is CHAFING of the wiring harness at. He's at least the 3rd person who has told me that replacing the wiring harness is solving their issues.

What I'm hearing is that the wiring harness. View 19+power Stroke Problems+chaffed Ficm Harnesses - Photo from Every Ford L Power Stroke Diesel Issue Solved.

My buddy has an 03 with a bad misfire sound. L Power Stroke Engine and Drivetrain > Injectors or wiring Injector wiring harness.TAGGED WITH: # ford f glow plug relay wiring diagram.

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# powerstroke. PowerStroke and TorqShift Bulletins: PowerStroke Calibration Update History link: PowerStroke and TorqShift Bulletins Updated: Harsh or Delayed Forward or .

The fuel injector wire harness connections the fuel injectors on your L Powerstroke engine to the fuel injector control module (FICM). Overtime the factory wire harness on your F, F, F, F or Excursion can develop cracks resulting in rough running conditions, rough idle, .

Jul 12,  · Own a Hemi Dodge Ram Truck, which I drive the truck daily and and use it for towing. It's completely stock and drive it hard; to this date, have not experienced any problems. Aug 15,  · L Power Stroke Diesel - Faulty Glow Plug Controller - This morning, I noticed the truck was very hard to start.

Took about seconds of rolling to get it to fire. Once it fired, it ran fine all the way to school.

It sat and got cold until the afternoon when I left. As I .Common L Power Stroke ProblemsHemi problems - Speed Talk