Injector, Cylinder #2 (Code 7.2, SID 2/SPN 652)
Cause Reaction Remedy
• Electrical fault
• Faulty compression or injec-
tor
• Engine runs on 5 cylinders
• Abnormal sound
•
Reduced performance
• Check that the injector cables
are not damaged
• Check that the injector con-
nections are not damaged
• Check fuel supply pressure
• Check the valve clearance
• Do a compression test and
check cylinder #2
Injector, Cylinder #3 (Code 7.3, SID 3/SPN 653)
Cause Reaction Remedy
• Electrical fault
• Faulty compression or injec-
tor
• Engine runs on 5 cylinders
• Abnormal sound
•
Reduced performance
• Check that the injector cables
are not damaged
• Check that the injector con-
nections are not damaged
• Check fuel supply pressure
• Check the valve clearance
• Do a compression test and
check cylinder #3
Injector, Cylinder #4 (Code 7.4, SID 4/SPN 654)
Cause Reaction Remedy
• Electrical fault
• Faulty compression or injec-
tor
• Engine runs on 5 cylinders
• Abnormal sound
•
Reduced performance
• Check that the injector cables
are not damaged
• Check that the injector con-
nections are not damaged
• Check fuel supply pressure
• Check the valve clearance
• Do a compression test and
check cylinder #4
Injector, Cylinder #5 (Code 7.5, SID 5/SPN 655)
Cause Reaction Remedy
• Electrical fault
•
Faulty compression or injec-
tor
• Engine runs on 5 cylinders
• Abnormal sound
•
Reduced performance
• Check that the injector cables
are not damaged
• Check that the injector con-
nections are not damaged
• Check fuel supply pressure
• Check the valve clearance
• Do a compression test and
check cylinder #5
Fault Code Register
44 7748681 12-2011