Isuzu FTR - Page 686

8-4
IN CASE OF EMERGENCY
Symptom Cause Corrective action
Reference
page
Engine starts, but
immediately stops
Idling speed too low Adjust idling speed 4-76
Fuel filter clogged Replace filter 7-64
Air cleaner clogged
Clean or replace
element
7-60
Common rail system faulty
―
Unsteady engine speed
Water or air in fuel system
Drain water from
fuel filter or bleed
fuel system
7-72
8-14
8-15
Fuel system faulty
―
White or black exhaust
smoke
Engine not sufficiently
warmed up
Allow engine to
warm up sufficiently
4-76
Excessive engine oil Correct oil level 7-31
Air cleaner clogged
Clean or replace
element
7-60
Fuel system faulty
―
Engine is overheating
No engine coolant Add engine coolant 7-43
Front of radiator is clogged
with dirt
Wash clean with
water
7-54
Radiator cap not fully
tightened
Make sure it is
firmly tightened or
replace radiator cap
―
Fan belt looseness
Adjust the tension
or replace the belt
7-58
7-59
Engine coolant dirty
Clean the radiator
interior or change
engine coolant
7-44
Fan clutch faulty
―
Radiator cap dirty or faulty Clean or replace ―
Oil pressure is low
Improper engine oil
viscosity
Change to oil with
proper viscosity
7-247
Engine oil level too low Add engine oil 7-33
Engine inner components
faulty
―
Meter, lights or switches
faulty
―
Air pressure is low
Air compressor faulty
―
Air leaking from pipes
―
Air governor faulty ―
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