Engine Controls Component Views

WARNING: This page is about a different car, the 2004 GMC Sierra, 2004 GMC Cab & Chassis Sierra, 2004 Chevrolet Silverado, and 2004 Chevrolet Cab & Chassis Silverado. However, it is still accessible from the selected car via links, so may be relevant.

Fig 1: Front View Of Engine Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Inlines to Engine Harness Connectors-C107, C108
2	Engine Glow Plug Relay
3	Glow Plug Harness
4	Engine
5	Generator Connector
6	A/C Compressor Clutch Connector
7	A/C High Pressure Switch Connector

Fig 2: RH Engine Compartment Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Radiator Surge Tank
2	A/C Low Pressure Switch Connector
3	A/C Accumulator
4	Engine Harness
5	Surge Tank Switch Connector
6	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor Connector

Fig 3: Barometric Pressure (BARO) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	BARO Sensor
2	Junction Block-Battery Cable

Fig 4: Boost Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Boost Sensor Bracket
2	Boost Sensor Connector
3	Boost Sensor

Fig 5: Crankshaft Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Crankshaft Sensor
2	Engine Block

Fig 6: Camshaft Sensor Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Camshaft Sensor
2	Pulley

Fig 7: Engine Coolant Temperature (ECT) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	ECT Sensor
2	Engine

Fig 8: MAF/Intake Air Temperature (IAT) Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
2	Air Cleaner Assembly

Fig 9: Accelerator Pedal Position (APP) Sensor

Courtesy of GENERAL MOTORS CORP.

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

Fig 10: Fuel Injector Control Module (FICM)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Injector Control Module (FICM)

Fig 11: Fuel Pump

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Pump

Fig 12: Engine Control Module (ECM)

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Engine Control Module (ECM)
2	Engine Control Module (ECM) Connectors

Fig 13: Water In Fuel Sensor

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Fuel Filter/Heater Element Housing
2	Fuel Filter
3	Water In Fuel Sensor

Fig 14: Injection System Components

Courtesy of GENERAL MOTORS CORP.

Callout	Component Name
1	Injector 5 Fuel Rail
2	Injector 7 Fuel Rail
3	Injectors 5 and 7 Harness
4	Intake Air Heater
5	Fuel Pressure Sensor
6	Injectors 6 and 8 Harness
7	Injector 8 Fuel Rail
8	Injector 6 Fuel Rail
9	Injector 4 Fuel Rail
10	Injectors 2 and 4 Harness
11	Injector 2 Fuel Rail
12	Injectors 1 and 3 Harness
13	Injector 1 Fuel Rail
14	Injector 3 Fuel Rail