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2004 - 2008 Ford F150 General discussion on the 2004 - 2008 Ford F150 truck.

Misfiring

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Old Feb 22, 2012 | 07:24 PM
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Redneckcgil29's Avatar
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Default Misfiring

This happenend the other day to me and made me wonder if anyone knows why.....i was sitting at a light and floored it taking off and the check engine light started blinking.. Looked it up in the manual and it said it was a misfire.. After about a minute of babying it , it went away and run fine. Kinda confusedwhy this happened . Does anyone know anything Bout this?
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Old Feb 22, 2012 | 07:27 PM
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Random misfire. Could be COP wasn't seated, moisture in the boot, plugs weren't sparking right, could be a number a reasons. How many miles on the plugs and COPs?
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Old Feb 22, 2012 | 07:35 PM
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What are you refering to COP as?? I bought it with 68k And now has 97k i have a k&n filter with the gotts mod and a edge programmer i leave on trans mode..... But i recalling it before i dad any of that
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Old Feb 22, 2012 | 07:59 PM
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COP is the coil on plug, the ignition coil that sits on top of each plug and delivers spark. At 97k it's probably due for the plugs at the minimum. New COPs/ the connectors and boots would also be good. Cleaning the MAF and throttle body would also be good, not because of the misfire but because of the mileage.
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Old Feb 22, 2012 | 08:13 PM
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I'd do the plugs, boots and springs, but i wouldn't replace the COPs just because of miles. They cost too much for that.
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