Engine And Related Parts; Engine Overheating; High Fuel Consumption; High Oil Consumption - Daewoo Novus M2SEF Manual

1. ENGINE AND RELATED PARTS

•
Starter motor won't turn over or turns over
slowly.
Cause
Irregular action of contact
point of battery relay
Dead or weak battery
Battery terminals
disconnected, loosened,
or corroded
Poor ground connection
Too high oil viscosity
•
Starter motor turns over but engine won't
start.
Cause
Fuel tank empty
Insufficient pre-heating
Air in fuel injection lines
Air cleaner element
restricted
•
Engine stops easily at low rpm.
Cause
Too low idle rpm
Air cleaner element
restricted
Engine overcooling
•
Engine lacks power.
Cause
No parking brake release
Air cleaner element
restricted
Brake pedal cramped
•
Black exhaust smoke
Cause
Air cleaner restricted
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Correction
Place battery main switch
in "ON" position.
Recharge or replace
battery.
After trimming the
corrosion with a file,
connect terminals
securely.
Tighten connections.
Change with oil having
proper viscosity.
Correction
Replenish
Pre-heat again.
Bleed
Clean or change element.
Correction
Adjust idle rpm.
Clean or change air
cleaner element.
Cover radiator with
curtain.
Correction
Operate parking brake
repeatedly.
Clean or change element.
Adjust brake lining
clearance.
Correction
Clean or change element.
4-115 TROUBLESHOOTING AND CORRECTIONS
•

Engine overheating

Cause
Radiator covered with
curtain
Lack of coolant
Dirts deposited in radiator
Rust and dirts in coolant
Fan belt slipping or
damaged
•

High fuel consumption

Cause
Fuel leaks
Air cleaner element
restricted
Tire underinflated
Engine overcooling
•

High oil consumption

Cause
Poor quality oil
Too high oil level
maintained
Oil leaks
Failure to observe oil
changing intervals
Negligence in engine
warming up
•
Low engine oil pressure
Cause
Lack of engine oil
Oil leakage
Improper oil viscosity
Correction
Remove curtain.
Replenish coolant.
Check for coolant leakage
and ensure radiator cap
should be closed tightly.
Clean radiator.
Clean radiator or change
coolant.
Adjust tension or change
belt.
Correction
Check fuel system.
Re-tighten loose parts.
Clean or change air
cleaner element.
Correct
Cover radiator with curtain.
Correction
Change with the specified
oil.
Maintain oil level as
specified.
Check lubrication system
and tighten loosened
parts.
Follow the scheduled
intervals.
Perform engine warming
up as instructed.
Correction
Replenish
Inspect lubrication system
and retighten loosened
parts.
Change with oil having
proper viscosity.