Daewoo MATIZ Service Manual page 16

1A – 6 GENERAL ENGINE INFORMATION
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Condition
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Hard Starting (With
normal cranking)
Lack of Engine Power
Rough Engine Idling
GENERAL DIAGNOSIS (Cont'd)
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D Broken timing belt.
Others
D Malfunction of Positive
Crankcase Ventilation (PCV)
valve.
D Loosening, damage or
leakage of the vacuum hose.
D Leakage of intake system.
D Refer to "Page 1A–5".
Decline of
Compression
Pressure
D Improper ignition timing.
Malfunction of
Ignition System
D Faulty spark plug.
D Malfunction of the distributor.
D Electric leakage or poor
connection of the high
tension cable.
D Clogged fuel pipe.
Malfunction of
Fuel System
D Clogged or contaminated
fuel filter.
D Clogged exhaust system.
Others
D Clogged or contaminated air
cleaner element.
D Leak of the intake manifold
gasket.
D Dragging brakes.
D Slipping clutch.
D Refer to "Page 1A–5".
Decline of
Compression
Pressure
D Clogged fuel pipe.
Malfunction of
Fuel System
D Clogged or contaminated
fuel filter.
D Malfunction of the fuel
pressure regulator.
D Malfunction of the spark
Malfunction of
plug.
Ignition System
D Electric leakage or poor
connection of the high
tension cable.
D Worn distributor cap terminal
or accumulated carbon in
the distributor cap.
Probable cause
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Correction
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D Replace the belt.
D Check and replace Positive
Crankcase Ventilation (PCV)
valve if needed.
D Connect the hose correctly
or replace it.
D Replace intake system.
D Refer to "Page 1A–5".
D Adjust the ignition timing.
D Adjust or replace the spark
plug.
D Repair or replace the
distributor. Check the rotor.
D Connect the cable correctly
or replace it.
D Clean the pipe.
D Replace the filter.
D Check and repair the
system.
D Clean or replace the air
cleaner element.
D Replace the gasket.
D Repair or replace the
brakes.
D Adjust or replace the clutch.
D Refer to "Page 1A–5".
D Clean the pipe.
D Replace the filter.
D Replace the regulator.
D Adjust or replace the spark
plug.
D Connect the cable correctly
or replace it.
D Replace or clean the
distributor cap.
DAEWOO M-150 BL2