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02 Ford E 350, 4.2 # 3 cylinder misfires on 1st 1000 revolutions, sometimes #1 cylinder also does the same

Tiny
ANIMALAUTOSHOPPE
  • MEMBER
  • 2002 FORD E-SERIES VAN
  • 140 MILES
Owner has already changed the coilpack wires and plugs it does have good spark on all the cylinders. He also cleared the codes so I have no codes right now
Sunday, February 5th, 2012 AT 1:20 AM

2 Replies

Tiny
RASMATAZ
  • MECHANIC
  • 75,992 POSTS
Misfire on cyl no.3-check sparkplug, compression and injector for this cylinder-also might want to check the CPS
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Sunday, February 5th, 2012 AT 1:34 AM
Tiny
ANIMALAUTOSHOPPE
  • MEMBER
  • 5 POSTS
Hey rasmataz. U're the man I remember your geniusness from before. The compression is good. How do I check the cps and is that cam or crank?
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Sunday, February 5th, 2012 AT 1:42 AM

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