GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 2000 🢒 Regal 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Engine Controls Component Views
Figure 1:

Starter - Lower Front of Engine Compartment
Object Number: 305308 Size: LF
(1)Positive Battery Cable
(2)G113/G117 Engine Grounds
(3)Starter Assembly
(4)Engine Oil Level Switch
(5)Knock Sensor (KS) 1
Figure 2:

Knock Sensor (KS) 1, C125 - Rear of Engine
Object Number: 305317 Size: LF
(1)Knock Sensor (KS) 1
(2)Knock Sensor (KS) 1 Wiring Harness
(3)C125
Figure 3:

Right Side of Engine (w/RPO L36,L67)
Object Number: 305313 Size: LF
(1)Camshaft Position (CMP) Sensor
(2)Ignition Control Module (ICM) Wiring Harness
Figure 4:

Right Front Side of Engine (w/RPO L36,L67)
Object Number: 305312 Size: LF
(1)C110
(2)Ignition Control Module (ICM) Wiring Harness
(3)Ignition Control Module (ICM)
(4)Crankshaft Position (CKP) Sensor
Figure 5:

Left Top of Engine -- MAF, TP, ECT Sensors and IAC Valve (w/RPO L36,L67)
Object Number: 305314 Size: LF
(1)Idle Air Control (IAC) Valve
(2)Mass Air Flow (MAF) Sensor
(3)Throttle Position (TP) Sensor
(4)Engine Coolant Temperature (ECT) Sensor
Figure 6:

Top Front of Engine
Object Number: 305311 Size: LF
(1)Manifold Absolute Pressure (MAP) Sensor
(2)C110
(3)C126
(4)Fuel Injector 5 Connector
(5)Engine Wiring Harness
(6)Evaporative Emissions (EVAP) Canister Purge Solenoid Valve
(7)Fuel Injector 3
(8)Fuel Injector 1
(9)Ignition Control Module (ICM) Wiring Harness
Figure 7:

Top of Engine (RPO L67)
Object Number: 374689 Size: LF
(1)Fuel Injector 2
(2)Fuel Injector 4
(3)Manifold Absolute Pressure (MAP) Sensor
(4)Fuel Injector 6
(5)Emission Evaporative (EVAP) Canister Purge Solenoid Valve
Figure 8:

EGR, Fuel Injectors, Generator, HO2S -- Top Rear of Engine (RPO L36)
Object Number: 305316 Size: LF
(1)Exhaust Gas Recirculation (EGR) Valve
(2)Fuel Injector Connector 6
(3)Fuel Injector Connector 4
(4)Fuel Injector Connector 2
(5)Generator
(6)Generator Connector
(7)Heated Oxygen Sensor HO2S 1
Figure 9:

Right Front Frame Rail Behind Front Bumper
Object Number: 327461 Size: LF
(1)Engine Wiring Harness
(2)Fuel Pump Resistor
Figure 10:

Fuel Sender System
Object Number: 769961 Size: LF
(1)Fuel Tank Pressure (FTP) Sensor
(2)Fuel Line Quick Connector
(3)Fuel Sender Assembly
(4)Fuel Sender Assembly Base Plate
(5)Fuel Strainer
(6)Fuel Level Sensor
(7)Springs
Figure 11:

Vehicle Fuel Tank
Object Number: 374824 Size: LF
(1)C405
Figure 12:

Heated Oxygen Sensor (HO2S) 2 -- Below Center of Vehicle
Object Number: 305319 Size: LF
(1)Exhaust Heat Shield
(2)Catalytic Converter
(3)Heated Oxygen Sensor (HO2S) 2
Figure 13:

Left Front of Engine
Object Number: 374696 Size: LF
(1)Idle Air Control (IAC) Valve
(2)Mass Air Flow (MAF) Sensor
(3)Inside Air Temperature (IAT) Sensor
(4)Throttle Position (TP) Sensor
Figure 14:

Top Right of Engine -- RPO L36,L67
Object Number: 305310 Size: LF
(1)Ignition Coils
(2)Ignition Control Module (ICM)
(3)G111
(4)Ignition Control Module (ICM) Wiring Harness
Figure 15:

Top Front of Engine
Object Number: 374698 Size: LF
(1)Supercharger Boost Control Solenoid
(2)C126
Figure 16:

Left Side Of Transmission
Object Number: 327378 Size: LF
(1)Park/Neutral Position Switch
(2)Park/Neutral Position Switch, C1
(3)Park/Neutral Position Switch, C2
(4)Engine Wiring Harness
(5)C113
Figure 17:

LR Top of Powertrain
Object Number: 305321 Size: LF
(1)Park/Neutral Position Switch
(2)Steering Gear Assembly
(3)MSVA Actuator Connector
(4)Automatic Transaxle
Figure 18:

VSS and Engine Oil Pressure Switch -- Lower Rear of Engine
Object Number: 305318 Size: LF
(1)Power Steering Pump
(2)Engine Oil Pressure (EOP) Switch
(3)Vehicle Speed Sensor (VSS)
(4)Rack and Pinion Assembly