Table of Contents
Advertisement
GENERAL
Is sufficient fuel flow in fuel
line?
Yes
(Check for valve clearance and injection timing.)
Yes
Do injection nozzles operate properly?
(Check for condition of fuel mist injection and injection starting pressure.)
Yes
Is cylinder compression proper?
Yes
Inspect injection pump.
Service Manual Mitsubishi L-Series diesel engines
Version 08/2004
Engine without fuel feed pump:
Is gravitational flow of fuel
No
Engine with electromagnetic
Does fuel pump feed fuel with
key switch placed in ON?
Is engine adjusted properly?
6.7
Low output
6.7.1 Matters to be checked before
diagnosis
1.
Seizing of engine moving parts
2.
Too high engine oil viscosity
3.
Use of poor-quality fuel
4.
Clogging of air cleaner element
5.
Clogging of muffler
6.
Malfunctioning of drive system
6.7.2 Diagnosis
normal?
fuel feed pump:
Yes
ENGLISH
TROUBLESHOOTING
Inspect fuel filter, fuel pipe and
No
fuel tank.
Inspect fuel pump.
No
Adjust engine.
No
Inspect injection nozzles.
Inspect valves, cylinder head
No
gasket, pistons and piston
rings.
37 / 155
Advertisement
Table of Contents
