34
Malfunction Possible causes Remedial action Chap.
Engine stops by
itself during re-
gular operation.
In addition, if auto-
matic engine shut-
down is installed.
Fuel supply is interrupted:
- Tank run dry
- Fuel filter blocked
- Defective feed pump.
- Air in the fuel system.
Mechanical oil pressure monitor
stops the engine due to low oil
pressure.
Mechanical defects.
Stop signal from monitoring
element because of:
- oil pressure too low.
- cylinder head temperature
too high.
- alternator has failed
Malfunction signal from over-
voltage and polarity reversal
protection in voltage regulator:
- Battery and/or other cable
connections incorrectly con-
nected.
- Cable connections loose.
Add fuel.
Renew fuel filter.
Check through entire fuel supply
system.
Check fuel system for
penetration of air.
Check air vent valve.
Check engine oil level.
Activate mechanical oil pressure
monitor.
Contact a HATZ-service station.
Check engine for:
Engine oil level.
Cooling air passages blocked
or cooling system otherwise
affected.
See workshop manual.
Check electrical equipment and
the components thereof.
4.1.3.
4.1.4.
5.4.1.
5.2.1.
4.1.4.
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