20. Improper fuel oil
21. Improper lubrication oil
22. Air in fuel system
23. Water/contamination in fuel
24. Engine speed control wrongly adjusted
25. Insufficient air supply
26. Too high coolant temperature
27. Too low coolant temperature
28. Too low lubrication oil level
29. Lubrication oil leakage
30. Worn cylinder liners and/or piston rings
31. Worn valve stem seals
32. Blocked lubrication oil filter
33. Radiator blocked
34. Faulty engine mounting
35. Too low coolant level
36. Air in fresh water system
37. Blocked sea water inlet/pipe/filter
38. Circulation pump drive belt slips
39. Defective cooling water pump
40. Defective/wrong thermostat
41. Too high lubrication oil level
42. Defective lubrication oil pump
43. Defective relief valve
44. Alternator drive belt slips
45. Clutch is engaged
46. Defective bearings or abnormal cylinder friction
47. Fuel supply pump strainer blocked
48. Very cold engine and lubrication oil
49. Heavy initial load
50. Engine consume lubrication oil or combustible gas
51. Cylinder liner have scalings or such that reduce cooling effect
52. Alternator/Rectifier broken
53. Faulty governor
54. Broken piston
Fault handling
47713337 03-2021 © AB VOLVO PENTA
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