Engine Controls Component Views

Fig 1: Manifold Absoulte Pressure (MAP), Oil Pressure, Throttle Position (TP) Sensors

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Manifold Absoulte Pressure (MAP) Sensor
2	Engine Oil Pressure Switch
3	Throttle Position (TP) Sensor
4	Idle Air Control (IAC)

Fig 2: Fuel Injectors, Heated Oxygen Sensor (HO2S) 1, Heated Oxygen Sensor (HO2S) 2, Idle Air Control (IAC) Valve, Intake Air Temperature (IAT) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
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

Fig 3: Crankshaft Position (CKP) Sensors, EVAP, Ignition Coils

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
2	Crankshaft Position (CKP) Sensor
3	Ignition Coil Modules

Fig 4: Engine Control Module (ECM), Engine Coolant Temperature (ECT), Camshaft Position (CMP) and Rough Road Sensors

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Control Module (ECM)
2	Engine Coolant Temperature (ECT) Sensor
3	Camshaft Position (CMP) Sensor
4	Rough Road Sensor

Fig 5: Exhaust Gas Recirculation (EGR) Valve, Knock Sensor (KS)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Exhaust Gas Recirculation (EGR) Valve (Euro Emissions)
2	Knock Sensor (KS)
3	Exhaust Gas Recirculation (EGR) Valve (ECE 83 Emissions)