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

2002 FORD E-SERIES VAN
140 MILES
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ANIMALAUTOSHOPPE
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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
Feb 5, 2012 at 1:20 AM
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RASMATAZ
  • ASE Certified Mechanic
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  • ASE Certified Mechanic
Misfire on cyl no.3-check sparkplug, compression and injector for this cylinder-also might want to check the CPS
Feb 5, 2012 at 1:34 AM
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ANIMALAUTOSHOPPE
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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?
Feb 5, 2012 at 1:42 AM
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