Chapter 6 N37347
Page 46
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 solenoid, contacts or cables.
8. Restriction in a fuel pipe.
9. Fault in fuel lift pump.
10. Dirty fuel lter element.
11. Restriction in air induction system.
12. Air in fuel system.
13. Faulty atomisers or atomisers 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 valve tip clearances.
23. Too much oil or oil of wrong type is used in wet type air cleaner, if one is tted.
24. Not enough lubricating oil in sump.
25. Defective gauge.
26. Dirty lubricating oil lter element.
27. Fan damaged.
28. Fault in engine mounting or ywheel housing.
29. Too much lubricating oil in sump.
30. Restriction in air or water passages.
31. Restriction in breather pipe.
32. Insufcient 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 high-pressure pipes tted.
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.
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