Ford F-150 Heritage Car Problems

Ignition Coil Failure Due to Excessive Spark Plug Gap on Ford F-150 Heritage

Problem Description and Solution

An illuminated Check Engine Light could indicate that one or more of the ignition coils has failed due to excessive spark plug gap. To fix this problem, the ignition coils that have failed, the spark plugs, and all coil boots should be replaced.

(4 people reported this problem)

Problem Data

RepairPal Fair Price Estimate
RepairPal Verified
Average mileage: 89,500 (52,000–127,000)
Engines affected: 4.2L V6, V8
1 model year affected: 2004

Not Your Ford F-150 Heritage Problem?

Brake problem? Or maybe a faulty head gasket cylinder?
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