Ford Thunderbird Problem Report

Ford Thunderbird Damage to engine wire harness due to broken motor mount

(3 reports)


Engine misfire could be caused by worn or broken motor mounts that raise the motor on one side while the vehicle is accelerating. The stress on the engine control wiring harness can cause breaks in the injector or sensor wires, which then causes drivability concerns such as poor fuel economy and engine misfires.

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