Daewoo Mega 250-V Operation And Maintenance Manua page 189

Problem
Engine has poor power.
Engine runs hot.
Engine oil pressure warning light
turns "ON," and buzzer sounds.
Coolant temp, warning light
turns "ON."
K1000896E Operation and Maintenance Manual
Possible Causes
Plugged air intake system.
Clogged or dirty fuel injectors.
Fuel filters plugged.
Engine speed control cable out
of adjustment.
Injection pump out of
adjustment.
Valve backlash faulty.
Low coolant level.
Thermostat faulty.
Radiator cap faulty.
Radiator core plugged.
Oil cooler core plugged.
Fan belt loose or damaged.
Temperature sensor faulty.
Low engine oil level.
Wrong grade oil for weather
conditions.
Clogged oil filter.
Defective alarm switch.
Oil leakage from pipe or joint.
Clogged suction strainer.
Excessive engine wear.
Defective oil pump.
Low engine coolant level.
Loose/slipping/broken fan belt.
Clogged radiator fins.
Scale or mineral build up inside
radiator.
Defective alarm switch (gauge is
in green).
Low water pump flow.
Thermostat stuck or missing.
Remedies
Clean system and replace filter.
Clean injectors.
Replace filters.
Readjust.
Contact your Daewoo dealer.
Adjust backlash.
Add coolant.
Replace thermostat.
Replace radiator cap.
Clean oil cooler.
Clean oil cooler.
Tighten or replace as required.
Replace sensor.
Add oil.
change oil.
Change filter and oil.
Contact your Daewoo dealer.
Add coolant.
Adjust or replace belt.
Clean.
Flush or professionally clean.
Contact your Daewoo dealer.
Troubleshooting 6-3