Perkins 35943 - Fault Diagnosis; Problems and Possible Causes

35943 Chapter 6
Page 35
Fault diagnosis
Problems and possible causes
Engine problem Possible causes
Checks by the user Checks by the
workshop personnel
The starter motor turns the engine too slowly 1, 2, 3, 4
The engine does not start 5, 6, 7, 8, 9, 10, 12, 13, 14,
15, 17
34, 35, 36, 37, 38, 42,
43, 44
The engine is difcult to start 5, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 19
34, 36, 37, 38, 40, 42,
43
Not enough power 8, 9, 10, 11, 12, 13, 16, 18,
19, 20, 21
34, 36, 37, 38, 39, 40,
41, 43
Misre 8, 9, 10, 12, 13, 15, 20, 22 34, 36, 37, 38, 39,
40,41, 43
High fuel consumption 11, 13, 15, 17, 18, 19, 23,
22
34, 36, 37, 38, 39, 40,
42, 43, 44, 63
Black exhaust smoke 11, 13, 15, 17, 19, 21, 22 34, 36, 37, 38, 39, 40,
42, 43, 44, 63, 70
Blue or white exhaust smoke 4, 15, 21, 23 36, 37, 38, 39, 42, 44,
45, 52, 58, 61, 62
The pressure of the lubricating oil system is too low 4, 24, 25, 26 46, 47, 48, 50, 51, 59,
The engine knocks 9, 13, 15, 17, 20, 22, 23 36, 37, 40, 42, 44, 46,
52, 53, 60
The engine runs erratically 8, 9, 10, 11, 12, 13, 15, 16,
18, 20, 22, 23
36, 38, 40, 41, 44, 52,
60,
Vibration 13, 18, 20, 28 36, 38, 39, 40, 41, 44,
52, 54
The pressure of the lubricating oil system is too
high
4, 25 49
The engine oil temperature is too high 11, 13, 15, 19, 29, 30, 32,
65, 66, 67, 68
34, 36, 37, 39, 52, 55,
56, 57, 69
Crankcase pressure 31, 33 39, 42, 44, 45, 52, 61
Bad compression 11, 22 37, 39, 40, 42, 43, 44,
45, 53, 60
The engine starts and stops 10, 11, 12