Isuzu 4LE2 - Engine;Dent;Fica T;On

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(I) Position of Display
Fig. 5
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4LE2XXX-00 -
I
BA/IH
I
ISUZU MOTORSLTD.
)su=u MADE IN JAPAN
ID LABEL
3. ENGINE IDENTIFICATION
The engine serial number is stamped on the front upper right
side of the cylinder body, and the engine model is cast on the
rear lower right side of cylinder body just above the oil filter.
Further, engine model is described also on an ID label on the
top of the cylinder head cover.
(2) Confirmation of Engine Serial Number
It is advisable to check the engine serial number, engine model
name and type of machine together with the equipment
manufacturer’s name, as it is required when you contact the
distributor for repair service or parts ordering.
CAUTION: Conduct confirmation of engine serial number with the
engine stopped.
To avoid being injury, don’t check it, while the engine is
still hot.
Unstable low idling
Crack in injection pipe.
Injection nozzle failure.
Engine stop solenoid return
- Too high low idling speed.
Unstable engine running -
Engine hunting in medium
speed range.
Malfunction in engine at
high speed range.
Engine speed does not be
. I
rowerea.
L
failure.
Uneven compression pressure
between cylinders.
Incorrect control lever
r adjustment.
I Governor interior
malfunction.
- Governor spring deteriorated.
r
Air in the fuel system
r
Insufficient fuel supply.
Clogged fuel filter
+ element
I Piping failure (squeezed, etc.)
Uneven fuel injection amount between
plungers.
- Deteriorated governor spring.
Incorrect valve clearance
adjustment.
- Deteriorated valve spring.
Engine control restriction or
- .
seizure.
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