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Home >> GMC >> 1999 >> Forward Control 6.5 F, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Component Tests >> Component Locations >> Component Locations 4.3L (VIN W) & 5.7L (VIN R) "P" Series

Component Locations 4.3L (VIN W) & 5.7L (VIN R) "P" Series

COMPONENT LOCATIONS 4.3L (VIN W) & 5.7L (VIN R) "P" SERIES

Component Location
A/C Compressor High Pressure Cut-Off Switch On Rear Of A/C Compressor
A/C Compressor Refrigerant Pressure Switch Located By Body Builder
A/C Compressor Relay In Engine Compartment, On Bulkhead, Under Battery Junction Block
Camshaft Position (CMP) Sensor In Distributor
Crankshaft Position (CKP) Sensor At Lower Right Front Of Engine, Near Harmonic Balancer
Data Link Connector (DLC) Lower Left Side Of Instrument Panel
Distributor At Top Rear Of Engine
EGR Valve At Top Front Left Of Intake Manifold
Engine Coolant Temperature (ECT) Sensor At Top Front Of Engine, Near Thermostat Housing
EVAP Canister Purge Solenoid At Right Center Of Intake Manifold
EVAP Canister Vent Solenoid (CA Only) Along Right Frame Rail, In Front Of Fuel Tank, Near EVAP Canister
Fuel Control Relay On Top Of Steering Column Support, Behind Steering Column
Fuel Pump Module At Top Center Of Fuel Tank
Fuel Pump Prime Connector Taped To Fuel Pump Relay Breakout
Fuel Pump Relay In Engine Compartment, On Bulkhead, Under Battery Junction Block
Fuel Tank Pressure Sensor (4.3L CA Only) At Fuel Tank
Heated Oxygen Sensors (HO2S)
Bank 1, Sensor 1 In Left Exhaust Pipe, Forward Of Catalytic Converter
Bank 1, Sensor 3 In Left Exhaust Pipe, Behind Catalytic Converter
Bank 2, Sensor 1 In Right Exhaust Pipe, Forward Of Catalytic Converter
Bank 2, Sensor 2 (5.7L) In Right Exhaust Pipe, Behind Catalytic Converter
Idle Air Control (IAC) Valve At Left Center Of Intake Manifold
Ignition Coil Mounted On Bracket, Above Top Edge Of Right Cylinder Head
Ignition Control Module Mounted On Bracket, Above Top Edge Of Right Cylinder Head
Intake Air Temperature (IAT) Sensor At Right Front Side, In Engine Air Induction System Elbow, Near Remote Air Cleaner
Knock Sensor
4.3L At Rear Of Engine, Top Center
5.7L At Lower Right Side Of Engine Block, In Front Of Starter
Manifold Absolute Pressure (MAP) Sensor Near Center Of Intake Manifold, Behind Air Intake
Mass Airflow (MAF) Sensor At Right Front Side, In Engine Air Induction System Elbow, Near Remote Air Cleaner
Throttle Position (TP) Sensor At Left Center Of Intake Manifold, Near IAC Valve
Vehicle Control Module (VCM) At Left Side Of Radiator Support
Vehicle Speed Sensor (5.7L M/T) At Left Side Of Transmission, Near Middle