Engine Controls Component Views

Fig 1: View Of Left Side Of Engine Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Ignition Coil 1
2	Evaporative Emission (EVAP) Canister Purge Solenoid
3	Ignition Coil 3
4	C109
5	Ignition Coil 5
6	Ignition Coil 7
7	C100
8	Fuse Block - Underhood C1
9	Engine Control Module (ECM) Connector - C1
10	Engine Control Module (ECM) Connector - C2
11	Engine Control Module (ECM) Connector - C3

Fig 2: View Of Right Side Of Engine Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Ignition Coil 6
2	Fuel Injector 6
3	Ignition Coil 4
4	Fuel Injector 4
5	Manifold Absolute Pressure (MAP) Sensor
6	Generator
7	Throttle Body
8	Mass Airflow (MAF)/Intake Air Temperature (IAT) Sensor Connector
9	Fuel Injector 2
10	Ignition Coil 2
11	Knock Sensor (KS) 1
12	Starter
13	Crankshaft Position (CKP) Sensor
14	C108
15	Ignition Coil 8
16	Fuel Injector 8

Fig 3: View Of Top Of Engine Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Injector 7
2	Fuel Injector 5
3	Fuel Injector 3
4	Knock Sensor (KS) 1
5	Knock Sensor (KS) 2
6	Engine Oil Pressure (EOP) Sensor Connector

Fig 4: View Of Engine Coolant Temperature (ECT) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Coolant Temperature (ECT) Sensor

Fig 5: View Of Camshaft Position (CMP) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Camshaft Position (CMP) Sensor

Fig 6: View Of Accelerator Pedal Position (APP) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Harness
2	Accelerator Pedal Position (APP) Sensor

Fig 7: Fuel System Component View

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Pump and Sender Assembly
2	Evaporative Emission (EVAP) Canister Vent Solenoid
3	Fuel Tank Pressure (FTP) Sensor

Fig 8: Identifying HO2S 4.8L & 5.3L

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Bank 1 Sensor 2 HO2S
2	Bank 1 Sensor 1 HO2S
3	Bank 1 Sensor 1 HO2S Threaded Boss
4	Left Bank Catalytic Convertor
5	Bank 1 Sensor 2 HO2S Threaded Boss
6	Bank 2 Sensor 1 HO2S Threaded Boss
7	Right Side Frame Rail
8	Right Bank Catalytic Convertor
9	Bank 2 Sensor 2 HO2S Threaded Boss
10	Bank 2 Sensor 2 HO2S
11	Bank 2 Sensor 1 HO2S