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1.
Starter motor does not turn engine or only slowly (solenoid switch energises ("click" is audible)
2.
Starter motor turns, engine does not turn
3.
Starter motor turns engine, engine does not start / starts poorly
4.
Ignition failure
5.
Irregular engine running
6.
Engine stalls during operation, no longer starts
7.
Engine "shakes"
8.
Engine only runs at idle speed
9.
Idle speed unstable
10. Engine does not reach its nominal speed
11. Engine does not reach its nominal power
12. Fuel consumption too high
13. Oil consumption too high
14. Engine too "loud" / mechanical noise
x
x =
likely to apply
o =
might apply
Fault table
15. Heavy blue smoke formation
16. Heavy white smoke formation
17. Exhaust temperature / exhaust back pressure too high (thermal overload)
18. Lubrication oil pressure too low
19. Temperature difference engine exit / engine entry too great
20. Coolant temperature too high
x Coolant level too low, air in the coolant circuit
x
Water pump configured too small
x x Coolant lines leaking, blocked or twisted
Engine mounting unsuitable / worn
13
Possible causes
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