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poss coil pak going out. do you have a ck eng light on?also under the coil pak there is an insulator that connect coil pak to spark plug that may also be cracked and causing stumble
5.4 triton
poss coil pak going out. do you have a ck eng light on?also under the coil pak there is an insulator that connect coil pak to spark plug that may also be cracked and causing stumble