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

Component Locations

Fig 1: Locating A/C Compressor Clutch Connector, CKP Sensor "A" Connector, EOP Switch & Starter Connections (Century)
G00226964Courtesy of GENERAL MOTORS CORP.
Fig 2: Locating CKP (24X) Sensor "A"
G00028468Courtesy of GENERAL MOTORS CORP.
Fig 3: Locating CKP (24X) Sensor "A" Connector, KS, EOP Switch, Fusible Links & A/C Compressor Clutch Coil Connector (Grand Prix & Malibu)
G00127559Courtesy of GENERAL MOTORS CORP.
Fig 4: Locating CMP Sensor
G00226967Courtesy of GENERAL MOTORS CORP.
Fig 5: Locating ECT Sensor
G00027612Courtesy of GENERAL MOTORS CORP.
Fig 6: Locating EGR Valve, IAC Valve & TP Sensor (Century)
G00028314Courtesy of GENERAL MOTORS CORP.
Fig 7: Locating EVAP Canister, Vent Valve, Purge Pipe, Vapor Pipe & Vent Hose
G00226971Courtesy of GENERAL MOTORS CORP.
Fig 8: Locating EVAP Canister Purge Solenoid, MAF, TP & IAT Sensors, IAC & EGR Valves (Grand Prix & Malibu)
G00127564Courtesy of GENERAL MOTORS CORP.
Fig 9: Locating EVAP Canister & Vent Solenoid
G00121074Courtesy of GENERAL MOTORS CORP.
Fig 10: Locating EVAP System Components
G00121075Courtesy of GENERAL MOTORS CORP.
Fig 11: Locating Fuel Pump & Sender Assembly Components
G00196057Courtesy of GENERAL MOTORS CORP.
Fig 12: Locating HO2S 2
G00226972Courtesy of GENERAL MOTORS CORP.
Fig 13: Locating Ignition Control Module & CKP Sensor "B" (Century & Grand Prix)
G00028307Courtesy of GENERAL MOTORS CORP.
Fig 14: Locating MAP Sensor (Century & Grand Prix)
G00226968Courtesy of GENERAL MOTORS CORP.
Fig 15: Locating MAP, HO2S 1 CKP "B" & TP Sensors, CMP Sensor Connector, Ignition Coil/Module Assembly, IAC Valve & EVAP Canister Purge Solenoid (Malibu)
G00127560Courtesy of GENERAL MOTORS CORP.
Fig 16: Locating PCM (Century & Grand Prix)
G00226966Courtesy of GENERAL MOTORS CORP.
Fig 17: Locating PCM & DLC (Malibu)
G98A63214Courtesy of GENERAL MOTORS CORP.
Fig 18: Locating Vacuum Line Routing & Related Components
G00226965Courtesy of GENERAL MOTORS CORP.
Fig 19: Locating Vehicle Speed Sensor (Century & Grand Prix)
G00226969Courtesy of GENERAL MOTORS CORP.
Fig 20: Locating Vehicle Speed Sensor (Malibu)
G00226970Courtesy of GENERAL MOTORS CORP.