Perkins 4012 - Problems and Possible Causes

User’s Handbook, TSL 4186E, Issue 2 61
6
4012/16 Diesel
Fault diagnosis 6
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
37, 38, 42, 43, 44, 64, 65, 66
The engine is difficult to start
5, 7, 8, 9, 10, 11, 12, 13,
14, 15, 16, 17, 19
37, 38, 40, 42, 43, 44, 64
Not enough power
8, 9, 10, 11, 12, 13, 16,
8, 9, 20, 21
37, 38, 39, 42, 43, 44, 61, 63,
64, 65, 66
Misfire
8, 9, 10, 12, 13, 15, 20,
22
37, 38, 39, 40, 43, 64, 66
High fuel consumption
11, 13, 15, 17, 18, 19,
23, 22
37, 38, 39, 40, 42, 43, 44, 63,
64
Black exhaust smoke 11, 13, 15, 17, 19, 21, 22
37, 38, 39, 40, 42, 43, 44, 61,
63, 64
Blue or white exhaust smoke 4, 15, 21, 23
37, 38, 39, 42, 43, 44, 45, 52,
58, 62, 64, 66
The pressure of the low pressure 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
37, 40, 42, 44, 46, 52, 53, 60,
64, 65
The engine runs erratically
8, 9, 10, 11, 12, 13, 15,
16, 18, 20, 22, 23
38, 40, 44, 52, 60, 64, 65, 66
Vibration 13, 18, 20, 27, 28
38, 39, 40, 44, 52, 54, 64, 65,
66
The pressure of the low pressure lubricating oil system
is too high
4, 25 49
The engine oil temperature is too high
11, 13, 15, 19, 27, 29,
30, 32, 65
37, 39, 52, 55, 56, 57, 64, 66
Crankcase pressure 31, 33 39, 42, 44, 45, 52
Bad compression 11, 22
37, 39, 40, 42, 43, 44, 45, 53,
60
The engine starts and stops 10, 11, 12 64, 65, 66
The pressure of the high pressure lubricating oil system
is too low
4, 24, 25, 26 64, 65, 66