COP stuff
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Cargo Master
Joined: Apr 2003
Posts: 3,476
Likes: 224
From: Frequently frozen MN
COP stuff
Disclaimer -- I've never owned a Ford with COPs. This is just some stuff that I ran across. COPs are discussed often enough so that I thought I'd pass it on.
This site claims to have some replacement boots that can extend the life of a COP.
MAGNECOR Race Wires - Ford 4.6/5.4 coil boots
This site talks about testing misfires and makes the point that many returned coils are actually good. Unfortunately, they use seem to use some specialized equipment for the tricky parts, but it's a little food for thought.
Coil-over plug misfire - Automotive Service Professional
read or ignore as you see fit,
hj
This site claims to have some replacement boots that can extend the life of a COP.
MAGNECOR Race Wires - Ford 4.6/5.4 coil boots
This site talks about testing misfires and makes the point that many returned coils are actually good. Unfortunately, they use seem to use some specialized equipment for the tricky parts, but it's a little food for thought.
Coil-over plug misfire - Automotive Service Professional
read or ignore as you see fit,
hj
Fleet Owner
Joined: Aug 2010
Posts: 21,255
Likes: 1,657
From: Reynoldsburg, Ohio
I did swap out the OEM COP's for Granatelli's and within the first year one by one they began to fail, the boots not the problem at all. Oddly enough when one would fail it was replaced with a new boot and a removed/saved OEM COP, never another misfire or CEL at all.
I'm sold to first check the boots and plug but when necessary use nothing but Motorcraft or whatever brand Ford sells as their own---270+ K miles still going strong!
Thanks for the links---great reading!
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bodinejcs
1997 - 2006 Expedition & Navigator
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Jan 21, 2004 09:44 PM
