6 Troubleshooting
6.1 Troubleshooting
Engine does not turn when starter is actuated
Cause Corrective action
Battery flat or defective. u Charge or replace (see manufacturer's documentation).
Cable connections on battery are
defective.
u Check if cable connections are properly secured (see
manufacturer's documentation).
Engine wiring or starter defective. u Check if cable connections are properly secured, contact Service.
Engine wiring faulty. u Check (→ Page 138).
Plug connections are loose at
interface module EIM.
u Check plug connections (→ Page 149).
Engine turns but does not fire
Cause Corrective action
Poor rotation by starter: Battery
flat or defective.
u Charge or replace battery (see manufacturer's documentation).
Engine wiring faulty. u Check (→ Page 138).
Air in fuel system u Vent fuel system (→ Page 94).
Engine governor ECU is defective. u Contact Service.
Engine fires unevenly
Cause Corrective action
Injector faulty. u Replace (→ Page 88).
Injection pump faulty. u Contact Service.
Engine wiring faulty. u Check (→ Page 138).
Air in fuel system u Vent fuel system (→ Page 94).
Engine does not reach full load speed
Cause Corrective action
Fuel supply blocked. u Completely open shutoff valve upstream of fuel prefilter.
Fuel prefilter clogged. u Replace filter element (→ Page 108).
Easy-change fuel filter clogged. u Replace (→ Page 97).
Air filter clogged. u Check signal ring position of contamination indicator (→ Page 116).
Injector faulty. u Replace (→ Page 88).
Injection pump faulty. u Contact Service.
Engine wiring faulty. u Check (→ Page 138).
Overload. u Contact Service.
MS150119/01E 2016-02 | Troubleshooting | 63
TIM-ID: 0000055288 - 003
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