How not to get burned by a 'pattern failure'

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Posted to Technical Discussion Forum on 10/10/2005 7 Replies

Hello all,

2001 Ford Expedition with a 4.6L comes in with a "MIL on, runs rough" complaint. Pulling codes gives a P0301, quick look at Mode $06 shows misfire counts only on #1 cylinder. Fuel trims OK in freeze frame and while it's sitting in the bay misf... Login to read more.

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