LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Buick >> 2003 >> Century Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System Testing & Engine Component Tests - 3.1L >> Component Locations >> Component Locations (Century)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Locations (Century)

COMPONENT LOCATIONS (CENTURY)

Component Location
A/C Refrigerant Pressure Sensor Left Side Of Engine Compartment, On Liquid Line, Forward Of The Strut Tower
Camshaft Position Sensor Right Side Of Engine, Under The Power Steering Pump
Crankshaft Position Sensor "A" (24X) Right Front Side Of Engine, Behind Harmonic Balancer
Crankshaft Position Sensor "B" (7X) Right Side Of Engine, Below Exhaust Manifold
Cruise Control Module Left Side Of Engine Compartment, Mounted To Strut Tower
Data Link Connector Under Left Side Of Instrument Panel, Right Of Steering Column
EGR Valve Upper Left Side Of Engine, Near Throttle Body
Engine Coolant Temperature Sensor Top Left Side Of Engine, Below Throttle Body
Engine Oil Level Switch In Oil Pan, Lower Front Center
Engine Oil Pressure Switch Front Of Engine, Above Starter
EVAP Canister Purge Solenoid Top Rear Of Engine, Behind Ignition Control Module
EVAP Canister Vent Solenoid Behind Left Rear Fascia Splash Shield, In Wheelwell
Fuel Injectors In Intake Manifold
Fuel Pump In Fuel Tank, Part Of Fuel Sender Assembly
Fuel Sender Assembly In Top Of Fuel Tank
Fuse Block - Instrument Panel Right Side Of Instrument Panel, In Door Opening
Fuse Block - Underhood Right Side Of The Engine Compartment, Mounted To The Strut Tower
Heated Oxygen Sensor 1 In The Bank 2 Exhaust Manifold, Behind Center Of Engine
Heated Oxygen Sensor 2 Rear Of Catalytic Converter
Idle Air Control Valve Top Of The Engine, Front Of The Throttle Body
Ignition Control Module Top Rear Of Engine
Intake Air Temperature Sensor Left Front Of Engine Compartment, On Air Intake Duct
Knock Sensor Front Of Engine, Above Starter
Manifold Absolute Pressure Sensor Top Rear Of The Engine, On The Intake Plenum Near The Ignition Coil Assembly
Mass Airflow Sensor Left Front Of Engine Compartment, In Air Intake Duct
Powertrain Control Module Left Side Of Engine Compartment, In Air Cleaner Assembly
Throttle Position Sensor Top Of Engine, On Lower Front Of Throttle Body
Transaxle Range Switch Left Of Engine, On Transaxle
Vehicle Speed Sensor Lower Right Side Of Engine Compartment, On Transaxle