2004 DAEWOO NUBIRA Service Repair Manual

Page 865 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 619
DAEWOO V–121 BL4
CAMSHAFT POSITION SENSOR 
(1.8L DOHC)
Removal Procedure
1.  Disconnect the negative battery cable.
2.  Remove the engine cover.
3.  Disconnect the sensor

Page 866 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 620IENGINE CONTROLS
DAEWOO V–121 BL4
ENGINE CONTROL MODULE 
(1.4L/1.6L DOHC)
Removal Procedure
1.  Disconnect the negative battery cable.
2.  Disconnect the engine control module (ECM) wiring

Page 867 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 621
DAEWOO V–121 BL4
ENGINE CONTROL MODULE 
(1.8L DOHC)
Removal Procedure
1.  Disconnect the negative battery cable.
2.  Remove the air intake tube and resonator.
3.  Disconn

Page 868 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 622IENGINE CONTROLS
DAEWOO V–121 BL4
ELECTRONIC IGNITION SYSTEM
IGNITION COIL (1.8L DOHC)
Removal Procedure
1.  Disconnect the negative battery cable.
2.  Disconnect the electronic ignition (

Page 869 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 623
DAEWOO V–121 BL4
GENERAL DESCRIPTION
AND SYSTEM OPERATION
IGNITION SYSTEM OPERATION
This ignition system does not use a conventional distribu-
tor and coil. It uses a cra

Page 870 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 624IENGINE CONTROLS
DAEWOO V–121 BL4
Because of the constant measuring and adjusting of the
air/fuel ratio, the fuel injection system is called a ”closed
loop” system.
The ECM uses voltag

Page 871 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual ENGINE CONTROLS  1F – 625
DAEWOO V–121 BL4
EVAPORATIVE EMISSION CANISTER
The Evaporative (EVAP) Emission canister is an emission
control device containing activated charcoal granules.
The EVAP emi

Page 872 of 2643

DAEWOO NUBIRA 2004  Service Repair Manual 1F – 626IENGINE CONTROLS
DAEWOO V–121 BL4
EXHAUST GAS RECIRCULATION
VA LV E
The Exhaust Gas Recirculation (EGR) system is used on
engines equipped with an automatic transaxle to lower
NOx (oxides