Daewoo DE12 - Page 33

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5. High fuel consumption
Normal
Normal Adjust or replace
Normal
Normal
Normal
Normal
Check injection timing
Check compression pressure
Disassemble injection pump
Check head gasket
Overhaul engine
(valve assembly, piston,
cylinder liner, etc.)
Check injection nozzle (injection
pressure, spray patterns, etc.)
Causes according to operating conditions
1. Overload
2. Frequent use of low gear position at high speed
3. Frequent use of high gear position at low speed
4. Clutch slip
5. Too low tire inflation pressure
Oil leakage
Retighten or replace
Check fuel leakage
Adjust
Check valve clearance
Repair or replace
Cylinder liner
Piston ring
Piston
Adjust
Replace