100 Series » Code list of possible causes

1. Battery capacity low.
2. Bad electrical connections.
3. Fault in starter motor.
4. Wrong grade of lubricating oil.
5. Starter motor turns engine too slowly.
6. Fuel tank empty.
7. Fault in stop control.
8. Restriction in a fuel pipe
9. Fault in fuel lift pump.
10. Dirty fuel filter element.
11. Restriction in air filter/cleaner or induction System.
12. Air in fuel system.
13. Fault in atomisers or atomizer s of an incorrect type.
14. Cold start system used incorrectly.
15. Fault in cold start System.
16. Restriction in fuel tank vent,
17. Wrong type or grade of fuel used.
18. Restricted movement of engine speed control.
19. Restriction in exhaust pipe.
20. Engine temperature is too high.
21. Engine temperature is too low.
22. Incorrect tappet clearances.
23. Too much oil or oil of a wrong specification is used in wet type air cleaner.
24. Not enough lubricating oil in sump.
25. Detective gauge.
26. Dirty lubricating oil filter element.
27. Fan damaged.
28. Fault in engine mounting or flywheel housing.
29. Too much lubricating oil in sump.
30. Restriction in air or water passages of radiator.
31. Restriction in breather pipe.
32. Insufficient coolant in System.
33. Vacuum pipe leaks or fault in exhauster.
34. Fault in fuel injection pump.
35. Broken drive on fuel injection pump.
36. Timing of fuel injection pump is incorrect.
37. Valve timing is incorrect.
38. Bad compression.
39. Cylinder head gasket leaks.
40. Valves are not free.
41. Wrong nigh-pressure pipes.
42. Worn cylinder bores.
43. Leakage between valves and seats.
44. Piston rings are not free or they are worn or broken.
45. Valve stems and/or guides are worn.
46. Crankshaft bearings are worn or damaged.
47. Lubricating oil pump is worn.
48. Relief valve does not close.
49. Relief valve does not open.
50. Relief valve spring is broken.
51. Fault in suction pipe of lubricating oil pump.
52. Piston is damaged.
53. Piston height is incorrect.
54. Flywheel housing or flywheel is not aligned correctly.
55. Fault in thermostat or thermostat is of an incorrect type.
56. Restriction in coolant passages.
57. Fault in water pump.
58. Valve stem seal is damaged (if there is one fitted).
59. Restriction in sump strainer.
60. Valve spring is broken.
61. Turbocharger impeller is damaged or dirty.
62. Lubricating oil seal of turbocharger leaks.
63. induction system leaks (turbocharged engines).
64. Drive belt for water pump is loose.