GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2005 🢒 Optra 🢒 Engine 🢒 Engine Controls - 1.8L (L79) 🢒 Engine Controls Component Views
Figure 1:

Manifold Absoulte Pressure (MAP), Oil Pressure, Throttle Position (TP) Sensors
Object Number: 1480966 Size: LF
(1)Manifold Absoulte Pressure (MAP) Sensor
(2)Engine Oil Pressure Switch
(3)Throttle Position (TP) Sensor
(4)Idle Air Control (IAC)
Figure 2:

Fuel Injectors, Heated Oxygen Sensor (HO2S) 1, Heated Oxygen Sensor (HO2S) 2, Idle Air Control (IAC) Valve, Intake Air Temperature (IAT) Sensor
Object Number: 1480967 Size: LF
(1)Fuel Injector 1
(2)Fuel Injector 2
(3)Fuel Injector 3
(4)Fuel Injector 4
(5)Heated Oxygen Sensor (HO2S) 1 (MR-140), Oxygen Sensor (HV-240)
(6)Heated Oxygen Sensor (HO2S) 2 (MR-140)
(7)Idle Air Control (IAC) Valve
(8)Intake Air Temperature (IAT) Sensor
Figure 3:

Crankshaft Position (CKP) Sensors, EVAP, Ignition Coils
Object Number: 1480971 Size: LF
(1)Evporative Emissions (EVAP) Canister Purge Solenoid Valve
(2)Crankshaft Position (CKP) Sensor
(3)Ignition Coil Modules
Figure 4:

Engine Control Module (ECM), Engine Coolant Temperature (ECT), Camshaft Position (CMP) and Rough Road Sensors
Object Number: 1480975 Size: LF
(1)Engine Control Module (ECM)
(2)Engine Coolant Temperature (ECT) Sensor
(3)Camshaft Position (CMP) Sensor
(4)Rough Road Sensor
Figure 5:

Exhaust Gas Recirculation (EGR) Valve, Knock Sensor (KS)
Object Number: 1480970 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve (Euro Emissions)
(2) Knock Sensor (KS)
(3) Exhaust Gas Recirculation (EGR) Valve (ECE 83 Emissions)