Mercedes-Benz OM 904 LA, Руководство по эксплуатации

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Troubleshooting
Engine problems
G
WARNING
The operating safety of your vehicle could be affected if maintenance work is carried out incor-
rectly. You could lose control of the vehicle and cause an accident. The safety systems may also
no longer be able to protect you or others as they are designed to do.
Always have maintenance work carried out at a qualified specialist workshop.
Apart from careful operation and maintenance of the engine it is also important that malfunc-
tions be rectified in good time. You can rectify certain faults yourself.
Have malfunctions that you cannot eliminate yourself rectified at a qualified specialist work-
shop.
Problem Possible causes/consequences and
M
Solutions
The drive pinion does
not turn or turns too
slowly. The battery is not sufficiently charged.
X
Charge the battery.
The connecting cable to the starter motor is loose.
X Tighten the cable on the terminal. If necessary, solder on a new
terminal.
The starter motor solenoid switch is faulty or the starter motor is
faulty.
X
Have it checked at a qualified specialist workshop.
The engine does not
start or stalls again
immediately. The fuel tank is empty.
X
Refill the fuel tank (
Y
page 43).
The fuel filter is blocked.
X
Replace the filter element (
Y
page 70).
The fuel prefilter contains water.
X Drain the fuel prefilter (
Y
page 69).
The fuel prefilter is blocked.
X
Replace the filter element (
Y
page 69).
The fuel system or filter is leaking.
X
Replace the seals.
The fuel is not resistant to cold.
X
Replace the fuel prefilter (
Y
page 69).
X
Replace the fuel filter (
Y
page 70).
X
Use winter fuel (
Y
page 53).
Troubleshooting
89
Breakdown assistance
Z