P1266 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 Description
Indicates a low voltage condition exists at the injector output of the NG module for cylinder No. 6 when high voltage is expected.
P1266 Information for specific makes
P1266 FORD