8. SIMPLE ENGINE TROUBLESHOOTING
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This section contents simple troubleshooting. Refer this section in case of engine failure.
If the cause can not be identified or if it is hard to correct, contact ISUZU dealer as soon as possible.
The items marked with
"◎" in "Action" are necessary to be repaired or adjusted. Contact ISUZU dealer.
Symptom Cause Action
Battery discharged. Charge or change.
Imperfect cable connections.
◎
Starter or starter switch failure. ◎
Starter does
not turn.
Safety relay failure.
◎
Engine stop solenoid return failure.
◎
No fuel in the fuel tank.
Make sure that there is no fuel leakage and
replenish.
Clogged fuel filter element.
Remove water and change element.
Air in the fuel system.
Bleed air.
Control rack is stuck at no fuel position.
◎
Unproper preheating operation.
◎
Glow plug malfunction.
◎
Incorrect injection timing.
◎
Engine does
not start.
Starter turns
but engine
dose not
ignite.
Low cylinder compression pressure.
◎
Air in the fuel system.
Bleed air.
Improper low idling speed adjustment.
◎
Engine ignite but stall
immediately.
EGR valve fixing. (Open position.)
◎
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