Spark Plugs and Wires
Mitsubishi Eclipse
Ford Expedition XLT
Ford Explorer XLT

96 eclipse it is misfiring really bad ive changed all the plugs and wires and coil pack the firing ordering is right any suggestions it read a code of p1391?

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April 24, 2007 11:54PM

have you recently changed the timing belt? or maybe it's off a tooth.