1997 Ford Expedition P0304 cylinder 4 misfire


Electrical problem
1997 Ford Expedition V8 Four Wheel Drive Automatic 150000 miles

Hello: I get the subject-line diag code along with flashing ( intermittently), and then solid Check Engine light. Engine does not miss noticeably, so I bought an ignition coil pack from ap store. There are two of the four-post coil packes on the front right and left of the engine block. Can you tell me which of the two coil packs go to the cylinder 4? I cannot trace the spark plug wire. Also does it seem like that would be the problem?
Thanks in advance, Joe

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Wednesday, December 12th, 2007 AT 11:37 AM

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