2003 DAEWOO MATIZ ESP

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Page 17 of 1184

DAEWOO MATIZ 2003  Service Repair Manual GENERAL ENGINE INFORMATION  1A–7
DAEWOO M-150 BL2
GENERAL DIAGNOSIS (Cont’d)
 Condition Probable cause Correction
Rough En

Page 23 of 1184

DAEWOO MATIZ 2003  Service Repair Manual GENERAL ENGINE INFORMATION  1A–13
DAEWOO M-150 BL2
CHECKING AIR CLEANER ELEMENT
If the air cleaner element becomes dirty, engine efficien-
cy could be deteriorated.
Be sure to check the element ofte

Page 103 of 1184

DAEWOO MATIZ 2003  Service Repair Manual ENGINE CONTROLS  1F–5
DAEWOO M-150 BL2
fuel is delivered under one of several conditions, called
“modes.’’
Starting Mode
When the ignition is turned ON, the ECM turns the fuel
pump relay on fo

Page 104 of 1184

DAEWOO MATIZ 2003  Service Repair Manual 1F–6  ENGINE CONTROLS
DAEWOO M-150 BL2
pors. Fresh air from the air cleaner is supplied to the
crankcase. The fresh air is mixed with blowby gases
which then pass through a vacuum hose into the inta

Page 105 of 1184

DAEWOO MATIZ 2003  Service Repair Manual ENGINE CONTROLS  1F–7
DAEWOO M-150 BL2
manifold to decrease combustion temperature. The
amount of exhaust gas recirculated is controlled by vari-
ations in vacuum and exhaust back pressure. If too
m

Page 107 of 1184

DAEWOO MATIZ 2003  Service Repair Manual ENGINE CONTROLS  1F–9
DAEWOO M-150 BL2
appropriate wiring diagram. Refer to “ECM Wiring Dia-
grams” in this Section.
9591
Terminal 49GroundOpen
STRATEGY-BASED DIAGNOSTICS
Strategy-Based Diagnost

Page 109 of 1184

DAEWOO MATIZ 2003  Service Repair Manual ENGINE CONTROLS  1F–11
DAEWOO M-150 BL2
The fault identified by the diagnostic test is currently
active.
The fault has been active during this ignition cycle.
The operating conditions at the time

Page 113 of 1184

DAEWOO MATIZ 2003  Service Repair Manual ENGINE CONTROLS  1F–15
DAEWOO M-150 BL2
made to enter DTC numbers for tests which the diag-
nostic executive does not recognize, the requested in-
formation will not be displayed correctly and the s
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