Engine Controls Component Views

Fig 1: Left Front Corner of the Engine Compartment Component View

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
2	Powertrain Control Module (PCM), Under the Air Cleaner Assembly

Fig 2: Rear of the Engine (L37/LD8)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Throttle Body Assembly
2	Manifold Absolute Pressure (MAP) Sensor
3	Valve Cover
4	Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1
5	Engine Coolant Temperature (ECT) Sensor
6	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2

Fig 3: Rear of Engine Compartment, on the Top Rear of the Engine Component View

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Secondary Air Injection (AIR) Check Valve

Fig 4: EVAP Purge Solenoid, and EGR Valve Component View

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Evaporative Emission (EVAP) Canister Purge Solenoid Valve
2	Exhaust Gas Recirculation (EGR) Valve

Fig 5: Front of the Engine (L37/LD8)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Valve Cover
2	Ignition Coil/Module 2
3	Ignition Coil/Module 4
4	Ignition Coil/Module 6
5	Ignition Coil/Module 8
6	Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1
7	Engine Oil Pressure (EOP) Switch

Fig 6: Top of the Engine (L37/LD8)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Starter
2	Manifold Absolute Pressure (MAP) Sensor
3	Throttle Body Assembly
4	Fuel Injector 8
5	Ignition Coil/Module 8
6	Fuel Injector 6
7	Ignition Coil/Module 6
8	Knock Sensor (KS) 2
9	Fuel Injector 4
10	Ignition Coil/Module 4
11	Ignition Coil/Module 2
12	Fuel Injector 2
13	Crankshaft Position (CKP) Sensor
14	Knock Sensor (KS) 1
15	Camshaft Position (CMP) Sensor
16	Ignition Coil/Module 1
17	Ignition Coil/Module 3
18	Fuel Injector 1
19	Ignition Coil/Module 5
20	Fuel Injector 3
21	Ignition Coil/Module 7
22	Fuel Injector 5
23	Fuel Injector 7

Fig 7: Left Side of Engine Compartment

Courtesy of GENERAL MOTORS CORP.

Fig 8: Secondary Air Injection (AIR) Pump Component View

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Secondary Air Injection (AIR) Pump

Fig 9: HO2S Bank 1 Sensor 2 Component View (Post HO2)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	HO2S Bank 1 Sensor 2 (Post HO2)

Fig 10: Fuel Tank Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Tank
2	Fuel Pump and Sender Assembly
3	Fuel Sender Connector
4	Evaporative Emission (EVAP) Canister
5	Evaporative Emission (EVAP) Canister Vent Solenoid Valve

Fig 11: Lower Left Side of I/P

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Park Brake Switch
2	Instrument Cluster
3	Brake Pedal Position Sensor
4	Accelerator Pedal Position (APP) Sensor