Chapter 11
TROUBLESHOOTING
11-2
How to troubleshoot
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
Remedy
Electrical system
Blown fuse
Change fuse
Faulty wiring connection between
battery and starter switch
Connect wire correctly
Faulty wiring connection between
battery, starter and starter switch
Connect wire correctly
Insufficiently charged battery
Inspect and adjust V-belt tension.
Refer to
"Inspecting V-belt and adjusting belt tension" (8-6)
.
Specific gravity of battery fluid too
low
Charge battery
Faulty battery
Install new battery
Faulty starter or starter relay
Consult a Mitsubishi dealer
Lubricating sys-
tem
Oil viscosity too high
Use appropriate engine oil. Refer to
"ENGINE OIL" (5-1)
.
Fuel system
Air in fuel system
Bleed fuel system. Refer to
"Bleeding the fuel system" (8-13)
.
Low fuel level
Add fuel
Clogged fuel filters
Change fuel filters.Refer to
"Changing fuel filter (Cartridge
type)" (8-7)
,
"Changing fuel filter element (Cock type)" (8-8)
.
Faulty fuel feed pump
Consult a Mitsubishi dealer
Faulty fuel injection pump
Consult a Mitsubishi dealer
Engine mechani-
cal
Faulty moving parts (interference
between valves and pistons, or
foreign matter in cylinders)
Consult a Mitsubishi dealer
Table 11-2
The starter cranks, but the engine does not start
Cause.
Remedy
Fuel system
Empty fuel tank
Add fuel, and bleed fuel system. Refer to
"FUEL" (4-1)
.
Damaged fuel pipe
Consult a Mitsubishi dealer
Loose fuel pipe connection
Tighten connection. Consult a Mitsubishi dealer
Improper fuel
Use proper fuel. Refer to
"FUEL" (4-1)
.
Dust or water mixed in fuel
Remove dust or water from fuel tank.
Refer to
"Draining water from the fuel tank" (8-1)
.
Clogged fuel filters
Replace fuel filters. Refer to
"Changing fuel filter (Car-
tridge type)" (8-7)
,
"Changing fuel filter element (Cock
type)" (8-8)
.
Faulty fuel feed pump
Consult a Mitsubishi dealer
Faulty fuel injection pump
Consult a Mitsubishi dealer
Air intake system
Clogged air cleaner or pre-cleaner
Clean air cleaner or pre-cleaner . Refer to
"Cleaning,
inspecting, and replacing the air cleaner element" (8-12)
.
Engine mechanical
Compression pressure low
(damaged cylinder liner, piston or
piston ring, or faulty valve seat or
nozzle packing seal)
Consult a Mitsubishi dealer