Perkins 4GM - Fault Diagnosis; Problems and Possible Causes

TPD1327E Chapter 6
Page 47
Fault diagnosis
Problems and possible causes
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
32, 33, 34, 36, 37, 41, 42, 43
The engine is difcult to start 5, 7, 8, 9, 10, 11, 12,13, 14,
15, 16, 17, 19
32, 34, 36, 37, 39, 41, 42, 43
Not enough power 8, 9, 10, 11, 12, 13, 16, 17, 18,
19, 20, 21
32, 34, 36, 37, 38, 41, 42, 43,
60, 62
Misre 8, 9, 10, 12, 13, 15, 20 32, 34, 35, 36, 37, 38, 39, 40,
42
High fuel consumption 11, 13, 17, 18, 19, 21 32, 34, 35, 36, 37, 38, 39, 41,
42, 43, 62
Black exhaust smoke 11, 13, 17, 19, 21 32, 34, 35, 36, 37, 38, 39, 41,
42, 43, 60, 62
Blue or white exhaust smoke 4, 15, 21 34, 36, 37, 38, 41, 43, 44, 51,
57, 61
The pressure of the lubricating oil is too
low
4, 22, 23, 24 45, 46, 47, 49, 50, 58
The engine knocks 9, 13, 15, 17, 20 34, 35, 36, 39, 41, 43, 45, 51,
53, 59
The engine runs erratically 7, 8, 9, 10, 11, 12, 13, 15, 16,
18, 20
32, 35, 37, 39, 40, 43, 51, 59
Vibration 13, 18, 20, 25 32, 37, 38, 39, 40, 43, 51, 53
The pressure of the lubricating oil is too
high
4, 23 48
The engine temperature is too high 11, 13, 15, 19, 26, 28, 29, 30,
31
32, 34, 36, 38, 51, 54, 55, 56,
63
Crankcase pressure 27 38, 41, 43, 44, 51
Bad compression 11 35, 36, 38, 39, 41, 42, 43, 52,
59
The engine starts and stops 10, 11, 12