Isuzu 4LE2 Owner's Manual page 92

6-4
IN CASE OF EMERGENCY
Symptom
Overheat occurs
Oil pressure does not
increase
Engine does not have
enough power
IDE-6450A_4500781_ALL.indd 6-4 IDE-6450A_4500781_ALL.indd 6-4
Cause
No coolant
Front of the radiator is
clogged with debris
Reserve tank cap not fully
tightened
Coolant is dirty
Failure of the fan clutch
Reserve tank cap dirty or
faulty
Excessive engine oil
Inappropriate engine oil
viscosity
Amount of engine oil is
insufficient
Failure inside the engine
Failure of meters, lights or
switches
Clogging of the air cleaner
Clogging of the fuel filter
Clogging of the pre-fuel
filter
Failure of the engine
control system
Failure of the engine
Corrective Action
Refill
Perform cleaning
Tighten it securely or
replace the cap with a
new one
Clean inside the radiator
and replace the coolant
Clean or replace the
reserve tank cap
Keep the oil at appropriate
level
Replace it with oil with
appropriate viscosity
Refill
Clean or replace the
element
Remove moisture and
replace the element
Clean or replace the
element
Reference
Page
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5-21
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5-18
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5-7
4-3
5-8
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5-28
5-22
5-24
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2014/04/18 14:20:09 2014/04/18 14:20:09