Mitsubishi S6B Service Manual

11-2
Chapter 11 TROUBLESHOOTING
Troubleshooting
The starter does not crank or cranks slowly, resulting in start failure
The starter cranks, but the engine does not start
Table 11-1 The starter does not crank or cranks slowly, resulting in start failure
Cause Remedies
Electrical
system
Faulty wire connection
Check the DC fuse.
Check wiring connection between battery, starter
and starter switch
Insufficiently charged battery
Check alternator. (Refer to P8-19)
Check and adjust V-belt. (Refer to P8-2)
Faulty battery
Check specific gravity of battery electrolyte. (Refer
to P3-6)
Charge battery
Change battery.
Faulty starter or starter relay Consult a Mitsubishi dealer.
Lubricating
system
Oil viscosity too high Use appropriate engine oil. (Refer to P5-1)
Excessive oil Check amount of engine oil and lubrication system.
(Refer to P3-9)
Engine
mechanical
Rapid wear of sliding parts, or locked
Consult a Mitsubishi dealer.
Table 11-2 The starter cranks, but the engine does not start
Cause Remedies
Fuel system
Run out of fuel, blocked pipe
Inspect fuel tank, refill, bleed air. (Refer to P8-5)
Check fuel pipes, valves.
Improper fuel property
Use appropriate fuel. (Refer to P4-1)
Remove dust, water impurities. (Refer to P8-5)
Fuel leakage in fuel pipes and
injection pipes.
Check faults and retighten fuel pipes and injection pipes.
Consult a Mitsubishi dealer.
Clogged fuel filter
Inspect and replace fuel filter. (Refer to P8-8)
Gauze filter - Clean (Refer to P8-7)
Faulty fuel feed pump Consult a Mitsubishi dealer.
Faulty fuel injection pump
Check the rack operation.
Consult a Mitsubishi dealer.
Faulty fuel injection nozzle Consult a Mitsubishi dealer.
Air intake
system
Insufficient amount of air
Clean, inspect and replace pre-cleaner. (Refer to P8-16)
Clean, inspect and replace air cleaner element. (Refer to P8-17)
Control
system
Faulty governor
Check the linkage operation. (Refer to P3-10)
Consult a Mitsubishi dealer.
Engine
mechanical
Low compression pressure
Consult a Mitsubishi dealer.

Mitsubishi S6B Specifications

General

Brand	Mitsubishi
Model	S6B
Category	Engine
Language	English