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Engine Buck/Misfire at Freeway Speeds on Ford Ranger

Problem overview

The engine may misfire and/or buck while driving at freeway speeds with no fault code stored in the powertrain control module (PCM). This can be caused by an intermittent fault with the camshaft synchronizer assembly. This condition can be diagnosed by monitoring knock sensor data as per Ford service bulletin #05-22-12. Replacement of the synchronizer assembly will be required to correct this concern.

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Engine Buck/Misfire at Freeway Speeds on Ford Ranger

Problem overview

Ford Ranger vehicles with this problem

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Engine Buck/Misfire at Freeway Speeds on Ford Ranger

Problem overview

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General Diagnosis

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