KEY TO FAULT DIAGNOSIS CHART
Battery Capacity Low
Bad Electrical Connections
Faulty Starter Motor
Incorrect Grade of Lub. Oil
Low Cranking Speed
Fuel Tank Empty
Blocked Fuel Lift Pump
Faulty Fuel Lift Pump
Chocked Fuel Filter
Restriction in Air Cleaner
Air in Fuel System
Faulty Fuel Injection Pump
Faulty Atomizer or Incorrect Type
Broken Fuel Injection Pump Drive
Incorrect Fuel Pump Timing
Incorrect Valve timing
Poor Compression
Incorrect Type or Grade of Fuel
Sticking Throttle or Restricted Movement
Exhaust-Pipe Restriction
Cylinder Head Gasket Leaking
Over Heating
Cold Running
Incorrect Tappet Adjustment
Sticking Valves
Incorrect High Pressure Pipes
Worn Cylinder Bores
Pitted Valves and Seats
Broken, Worn or Sticking Piston Ring (S)
Worn Valves Stems and Guids
Overfilled Air Cleaner or use of incorrect grade of oil
Worn or Damaged Bearings
Insufficient Oil in Sump
Inaccurate Gauge
Oil Pump Worn
Pressure Relief Valve Sticking Open
Pressure Relief Valve Spring Closed
Broken Relief Valve Sticking Closed
Faulty Suction Pipe
Choked Oil Filter
Piston Seizure/Pick Up
Incorrect Piston Height
Damaged Fan
Faulty Engine Mounting (Housing)
Faulty Thermostat
Restriction in Water Jacket
Loose Water Pump Drive belt
Choked Radiator
Faulty Water Pump
Choked Breather Pipe
Coolant Level Too Low
Blocked Sump Stainer
Broken Rings
1
2
3
4
5
6
8
9
10
11
12
13
14
17
18
19
20
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
50
51
52
53
55
56
58
59
60
SERVICE MANUAL
B-66
ITL
To Next Page
Loading...