2004 Ford F-250

Tiny
GRASSMAN34
  • MEMBER
  • 2004 FORD F-250
  • V8
  • 4WD
  • AUTOMATIC
  • 134,000 MILES
Had a miss, replaced plugs. Still missed. Computer says #2, #5, #7 cyls missfire, 3 coils replaced. Comp says 2 & 5 still dead. Replaced both injectors. No change still misses.
p.S. I checked for vac leaks in plenum & hoses.
any suggestions?
Friday, May 23rd, 2008 AT 5:15 PM

1 Reply

Tiny
BMRFIXIT
  • MECHANIC
  • 19,053 POSTS
Check as follow
check for compression to eliminate any engine internal issues
check injector pulse on said cylinders to eliminate any wiring issues
remove and check if coils are firing also to eliminate any wiring issues
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Monday, May 26th, 2008 AT 6:45 AM

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