P1273 Cylinder #3 High To Low Side Open
Possible causes
– Shorted injector circuit
– Faulty fuel injector
– Faulty fuel injector interface module
– Faulty fuel injector
– Faulty fuel injector interface module
Symptoms
– Engine Light ON (or Service Engine Soon Warning Light)
P1273 Description
A fault is detected by the fuel injector interface module in the secondary (rearward) fuel injector circuit