Isuzu N Series - Page 513

8-3
IN CASE OF EMERGENCY
Symptom Cause Corrective action
Reference
page
Engine
does not
start
Starter
does not
turn over,
or is weak
Flat batteries Recharge or replace 8-12
Battery terminals detached,
loose or corroded
After repairing corroded
section, connect the
terminals firmly
―
Starter ground wire
terminal detached, loose
or corroded
After repairing corroded
section, connect the
terminals firmly
―
Engine oil viscosity too
high
Change to oil with proper
viscosity
6-19
Starter or electrical system
is faulty
―
Starter
turns over
No fuel
Make sure there are no
fuel leaks, and then add
fuel
―
Air in the fuel system Bleed fuel system
8-17
8-19
8-20
Fuel filter is clogged Replace filter 7-61
Fuel is frozen
Warm fuel pipe with hot
water or wait until it gets
warmer
―
Fuel system is faulty
―
Preheating system is faulty
―
Engine starts, but
immediately stops
Idling speed too low Adjust the idling speed 4-36
Fuel filter is clogged Replace filter 7-61
Air cleaner is clogged Clean or replace element
7-57
7-59
Fuel system is faulty
―
Unsteady engine
speed
There is water or air in the
fuel system
Drain water from fuel filter
or bleed fuel system
7-75
8-17
8-19
8-20
Fuel system is faulty ―
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