39
Group 23 EDC III
Diagnostic function
123 Code 7.2
Cause:
Unit injector cylinder #2. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
124 Code 7.2
Cause:
Error in compression or the unit injector on
cylinder #2.
Response:
Cylinder balance is adversely affected ->
Uneven running at low RPM and low load.
Corrective action:
•
Check the fuel feed pressure.
•
Check the valve clearance.
•
Check that the unit injector and connection cable
are not damaged.
•
Do a compression test and check cylinder #2.
•
Check the fuel feed pressure.
125 Code 7.2
Cause:
Unit injector cylinder #2. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check the contact pressure in sleeve 22 in the
black cable glove of the engine control unit
(ECU).
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
130 Code 7.3
Cause:
Unit injector cylinder #3. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
131 Code 7.3
Cause:
Unit injector cylinder #3. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
132 Code 7.3
Cause:
Unit injector cylinder #3. Electronic error.
Response:
The engine runs on 5 cylinders, sounds
uneven and has decreased performance.
Corrective action:
•
Check that the wiring to the unit injectors is not
damaged.
•
Check that the connections to the unit injector are
not damaged.
