Table of Contents
Advertisement
6 Troubleshooting
6.1 Troubleshooting
Engine does not turn when starter is actuated
Component
Battery
Starter
Engine wiring
Engine Control Unit
Engine
Table 2: Engine does not turn when starter is actuated
Engine turns but does not fire
Component
Starter
Engine wiring
Fuel system
Engine Control Unit
Table 3: Engine turns but does not fire
Engine fires unevenly
Component
Fuel injection equip‐
ment
Engine wiring
Fuel system
Engine Control Unit
Table 4: Engine fires unevenly
34 | Troubleshooting | MS15025/00E 2011-12
Cause
Low or faulty
Cable connections faulty
Engine cabling or starter faulty
Faulty
Plug-in connections possibly loose
Running gear blocked (engine cannot
be barred manually)
Cause
Poor rotation by starter: Battery low or
faulty
Faulty
Air in fuel system, if fault occurs after
filling the system
Faulty
Cause
Injector faulty
Faulty
Air in fuel system, if fault occurs after
filling the system
Faulty
Action
Charge or replace (see manufacturer's
documentation).
Check if cable connections are proper‐
ly secured (see manufacturer's docu‐
mentation).
Check cable connections for secure
seating ; Contact Service.
Check (→ Page 62).
Check plug-in connections
(→ Page 64).
Contact Service.
Action
Charge or replace battery (see manu‐
facturer's documentation).
Check (→ Page 64).
Vent fuel system (→ Page 41).
Contact Service.
Action
Contact Service.
Check (→ Page 62).
Vent fuel system (→ Page 41).
Contact Service.
Advertisement
Table of Contents
