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Engine Control System & Component Tests - 4.3L: Component Locations GMC Savana H2500

Testing & Diagnostics 6 illustrations

COMPONENT LOCATIONS

Note. For component locations refer to COMPONENT LOCATIONS table or illustrations. (Scheme 17)- (Scheme 22).

ComponentLocation
A/C Compressor Clutch RelayIn Underhood Fuse/Relay Block
A/C High Pressure Cut-Off SwitchOn Rear Of A/C Compressor
A/C Low Pressure Cut-Out SwitchIn Low Pressure Refrigerant Line
Camshaft Position SensorPart Of Distributor, Top Rear Of Engine
Crankshaft Position SensorBehind Crankshaft Pulley
Cruise Control ModuleFront Of Engine Compartment, Near Left Wheelwell
Data Link ConnectorUnder Left Side Of Instrument Panel
EGR ValveTop Front Of Engine
Engine Coolant Temperature SensorLeft Side Of Engine
Engine Oil Pressure Gauge SensorTop Rear Of Engine
EVAP Canister Purge SolenoidRight Side Of Engine
EVAP Canister Vent SolenoidLeft Frame Rail, Near Fuel Tank
Fuel InjectorsOn Intake Manifold
Fuel Pump RelayIn Underhood Fuse/Relay Block
Fuel Tank Pressure SensorIn Fuel Tank
Heated Oxygen Sensor - Bank 1, Sensor 1In Exhaust Pipe, In Front Of Catalytic Converter
Heated Oxygen Sensor - Bank 1, Sensor 2In Exhaust Pipe, Rear Of Catalytic Converter
Heated Oxygen Sensor - Bank 2, Sensor 1In Exhaust Pipe, In Front Of Catalytic Converter
Idle Air Control ValveTop Left Side Of Engine
Ignition CoilTop Right Of Engine
Ignition Control ModuleTop Right Side Of Engine
Intake Air Temperature SensorPart Of Air Intake Duct
Knock SensorTop Rear Of Engine
Manifold Absolute Pressure SensorTop Right Side Of Engine
Mass Airflow SensorPart Of Air Intake Duct
Throttle Position SensorTop Left Of Engine
Underhood Fuse/Relay BlockLeft Rear Of Engine Compartment, On Wheelwell
Vehicle Control ModuleNear Brake Master Cylinder, At Left Front Wheelwell
Vehicle Speed SensorLeft Side Of Transmission
VSS ModuleBehind Left Side Of Instrument Panel, Near Steering Column

COMPONENT LOCATIONS

Scheme 17

Scheme 17

Scheme 18

Scheme 18

Scheme 19

Scheme 19

Scheme 20

Scheme 20

Scheme 21

Scheme 21

Scheme 22

Scheme 22