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Home >> Buick >> 1998 >> Century Custom >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System & Engine Component Tests - 3.1L >> Component Locations
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Component Locations

COMPONENT LOCATIONS (VIN M)

Component Location
A/C Compressor Relay Right Rear Of Engine Compartment
A/C Pressure Sensor Right Front Of Engine Compartment
Camshaft Position (CMP) Sensor Front Top Of Engine
Convenience Center Left Of Steering Column, Behind Instrument Panel
Crankshaft Position (CKP) Sensor
7X Right Front Side Of Engine
24X Lower Front Of Engine
Cruise Control Module Front Of Dash
Data Link Connector Under Left Side Of Instrument Panel
EGR Valve Right Front Of Engine
Engine Coolant Temperature ECT) Sensor Top Rear Of Engine
Engine Oil Level Switch Rear Bottom Of Engine
Engine Oil Pressure Sensor Right Front Corner Of Engine
EVAP Canister Purge Solenoid Top Rear Of Engine
EVAP Canister Vent Solenoid Right Front Corner Of Engine Compartment
Fuel Injectors In Intake Manifold
Fuel Pump Relay Right Rear Of Engine Compartment
Fuel Tank Pressure Sensor Front Of Fuel Tank
Idle Air Control (IAC) Valve Top Front Of Engine
Ignition Control Module Left Rear Of Engine Compartment
Intake Air Temperature (IAT) Sensor Left Rear Of Engine
Knock Sensor Left Rear Of Engine
Manifold Absolute Pressure MAP) Sensor Front Top Of Engine
Mass Airflow (MAF) Sensor Left Front Of Engine
Oxygen Sensors (O2S)
Pre-Converter Top Rear Of Engine, In Left Exhaust Manifold
Post-Converter Center Of Passenger Compartment, Rear Of Catalytic Converter
Powertrain Control Module (PCM) Right Side Of Instrument Panel, Near Steering Column
Throttle Position (TP) Sensor Top Front Of Engine
Transaxle Range Switch Left Rear Of Engine Compartment
Vehicle Speed Sensor Right Rear Of Engine