5. Fuel consumption excessive
Inspect nature gas leakage
Inspect ignition timing
Inspect common rail system
(sensor etc.)
Nature gas leakage
Check valve clearance
Case according to use conditions
1. Overload
2. Frequence use of low gear position
at high speed
3. Frequence use of high gear position
at low speed
4. Clutch slip
5. Too low tire inflation pressure
Normal
Adjust
Normal
Inspect compressed pressure
Disassemble engine
(vavle assembly, piston,
cylinder liner etc.)
Normal
Adjust
Repair
.
replace
(cylinder liner, pistion ring, piston)
Retighten
.
Replace