P1266 Ford Cylinder #6 High To Low Side Short

P1266 Ford Cylinder #6 High To Low Side Short

Possible causes

– Fuel injector No. 6 output circuit open or short to ground.
– Injector.
– Faulty Engine Control Module (ECM)

Symptoms

– Engine Light ON (or Service Engine Soon Warning Light)

P1266 Ford Description

Indicates a low voltage condition exists at the injector output of the NG module for cylinder No. 6 when high voltage is expected.

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