Thread: How can I test the COPS on my F150?
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HardDrive HardDrive is offline
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Join Date: Apr 2005
Location: Columbus, OH
Posts: 18,240
Does the misfire only occur under load? Low RPM lugging the engine misfire?

Have you looked at the boots that cover COPS? Are they dry and cracked, or oil soaked? It doesn't take much to get them to short to the head.
Old 12-23-2013, 09:28 PM
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