Isuzu N Series 2008 Owner's Manual page 523

Symptom
Starter
doesn't
turn over,
or is weak
Engine
doesn't
start
Starter
turns over
Engine starts, but
immediately stops
Unsteady engine
speed
2008N_sec08_print2.indd 3
IN CASE OF EMERGENCY
Cause
Flat batteries
Battery terminals detached,
loose or corroded
Starter ground wire
terminal detached, loose
or corroded
Engine oil viscosity too
high
Starter or electrical system
is faulty
Gearshift lever is not in the
"N" position
(Other than manual
transmission vehicle)
Haven't depressed brake
pedal or apply parking
brake
(AMT vehicles)
No fuel
Air in the fuel system
Fuel filter clogged
Fuel is frozen
Common rail system is
faulty
Preheating system is faulty
Idling speed too low
Fuel filter is clogged
Air cleaner is clogged
Common rail system is
faulty
There is water or air in the
fuel system
Fuel system is faulty
Corrective action
Recharge or replace
After repairing corroded
section, connect the
terminals firmly
After repairing corroded
section, connect the
terminals firmly
Change to oil with proper
viscosity
Place gearshift lever in "N"
position.
(AMT vehicles)
Depress brake pedal or
apply parking brake
Make sure there are no
fuel leaks, and then add
fuel
Bleed fuel system
Replace filter
Warm fuel pipe with hot
water or wait until it gets
warmer
Adjust the idling speed
Replace filter
Clean or replace element
Bleed the system
8-3
Reference
page
8-12
6-18
4-82
4-82
8-15
7-54
4-62
7-54
7-50
7-52
8-15
4/09/2008 8:14:17 AM