P1267 Buick Cylinder #7 High To Low Side Short
Possible causes
– Fuel injector No. 7 output circuit open or short to ground.
– Injector.
– Faulty Engine Control Module (ECM)
– Injector.
– Faulty Engine Control Module (ECM)
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1267 Buick Description
Indicates a low voltage condition exists at the injector output of the NG module for cylinder No. 7 when high voltage is expected.
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