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Flex Limited, FWD
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Engine Controls - Pinpoint Test HH: Exhaust Gas RECIRCULATION System Module (ESM) Through Pinpoint Test JE: Integrated Ignition Coil Pack A, B, Or C Failure - (Except Diesel & Hybrid)
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Pinpoint Test JC: Secondary Ignition (Coil Pack)
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Introduction
Pinpoint Test JC: Secondary Ignition (Coil Pack): Introduction
This pinpoint test is intended to diagnose the following:
spark plugs (12405)
spark plug wires (12280, 12281)
Fig 1: Spark Plug Connection Diagram (Explorer 4.0L, Explorer Sport Trac 4.0L, Mountaineer 4.0L, Mustang 4.0L, Ranger)
Courtesy of FORD MOTOR CO.