An illuminated Check Engine Light and a rough running engine could indicate that one or more of the ignition coils has failed. Often times this is due to excessive spark plug gap. To fix this problem, the defective ignition coils, spark plugs, and all coil boots should be replaced.
The average cost for a Ford F-150 Ignition Coil Replacement repair is between $294 and $359.
The average cost for a Ford F-150 Spark Plug Replacement repair is between $299 and $391.
The average cost for a Ford F-150 Check Engine Light Diagnosis & Testing repair is between $122 and $179.
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