11.2 Problems - Mitsubishi SL-Series Operation Manual

11.2 Problems

For special servicing jobs on your engine, rely on
the expert knowledge of the servicemen and the
service facilities provided by your Mitsubishi
dealer.
Problem
Engine will not start
Not enough power
Table 12 Troubleshooting
Operation Manual Mitsubishi SL-Series diesel engines
Version 08/2004
Cause
Fuse off
Defective starter switch
Slow cranking speed
Wrong viscosity grade of oil
Seized running parts
Air in fuel system
No fuel in tank
Bad quality fuel
Clogged fuel filter
Defective fuel injection pump
Defective control timer unit
Clogged air cleaner
Defective starter or relay
Open electrical circuit
Wrong viscosity grade of oil
Clogged air cleaner
Clogged fuel filter
Defective fuel injection pump
Defective fuel injection nozzles
Wrong injection timing
Bad quality fuel
Overheating
Wrong valve clearance
Poor compression (cylinders, piston, rings, etc.
worn)
Replace
Repair or replace*
Recharge battery
Change correct oil
Repair*
Prime
Refuel
Change fuel
Clean or replace
Repair or replace*
Replace*
Clean or replace
Repair or replace*
Repair
Change oil
Clean or replace
Clean or replace
Repair or replace*
Repair or replace*
Adjust*
Change correct fuel
Flush cooling system and replace parts
Adjust
Repair or replace*
ENGLISH
TROUBLESHOOTING
Correction
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