CYLINDER 4 MISFIRE P0304

2003 Ford F-150

Tiny

GRIZZ77

June, 14, 2012 AT 2:00 AM

2003 F150 XLT 5.4L V8 - recurring cyl 4 misfire after 8 new coils, 8 new spark plugs, 1 new fuel injector on #4, compression test passed - any ideas?

FOUND 5709 RELATED QUESTIONS

Engine Miss

52 ANSWERS
12 IMAGES

1 Answer

Tiny

Jacobandnickolas

June, 14, 2012 AT 3:49 AM

Check to make sure the injector is getting power and working. Check to make sure the wiring to the coil is good and you are getting spark. My guess is that one of those is missing.

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