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Ford Truck
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2003
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Econoline E250 3/4 Ton V8-5.4L CNG VIN M
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Engine
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Service and Repair
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Engine System - General Information
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Spark Plug
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Thread Repair
Thread Repair
Spark Plug
Hole Thread Repair
1.
There is no authorized repair for
spark plug
hole threads. If the threads are damaged, install a new cylinder head.