Chapter 11
TROUBLESHOOTING
11-3
Other problems and countermeasures
Engine output is low
Exhaust smoke is white or blue
Table 11-3
Engine output is low
Cause
Remedy
Engine oil viscosity too high
Use engine oil of appropriate viscosity according to ambient temper-
ature. Refer to
"ENGINE OIL" (5-1)
.
Improper fuel
Use proper fuel. Refer to
"FUEL" (4-1)
.
Insufficient air intake (clogged air cleaner)
Clean air cleaner element, or replace if necessary. Refer to
"Clean-
ing, inspecting, and replacing the air cleaner element" (8-12)
.
Engine overcooling
Cover the radiator or contact your local Mitsubishi dealer
Clogged fuel filter
Replace fuel filters. Refer to
"Changing fuel filter (Cartridge type)"
(8-7)
,
"Changing fuel filter element (Cock type)" (8-8)
.
Insufficient cooling (overheating)
Contact your local Mitsubishi dealer
Incorrect valve clearance
Contact your local Mitsubishi dealer
Faulty fuel feed pump
Contact your local Mitsubishi dealer
Faulty fuel injection pump
Contact your local Mitsubishi dealer
Faulty fuel injection nozzles
Contact your local Mitsubishi dealer
Incorrect fuel injection timing
Contact your local Mitsubishi dealer
Low compression pressure
(worn cylinder liners, worn piston rings, etc.)
Contact your local Mitsubishi dealer
Table 11-4
Exhaust smoke is white or blue
Cause
Remedy
Excessive amount of engine oil
Maintain correct oil level. Refer to
"Checking the engine oil level" (3-2)
.
Engine oil viscosity too high
Use engine oil of appropriate viscosity according to ambient tem-
perature. Refer to
"ENGINE OIL" (5-1)
.
Overcooling
Cover the radiator or consult your Mitsubishi dealer
Faulty thermostat(water temperature does not rise)
Contact your local Mitsubishi dealer
Faulty fuel injection nozzles
(uneven injection among cylinders)
Contact your local Mitsubishi dealer
Incorrect fuel injection timing
Contact your local Mitsubishi dealer
Low compression pressure
(worn piston liners, worn piston rings, etc.)
Contact your local Mitsubishi dealer
Improper fuel (low cetane number)
Use proper fuel. Refer to
"FUEL" (4-1)
.