Section 20 (Engine Controls 3.8L (Introduction, Service & Replacement))
WARNING: This page is about a different car, the 2004 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Repair Instructions
- Powertrain Control Module (PCM) Replacement
- CKP System Variation Learn Procedure
- Engine Coolant Temperature (ECT) Sensor Replacement
- Intake Air Temperature (IAT) Sensor Replacement
- Mass Air Flow (MAF) Sensor Replacement
- Manifold Absolute Pressure (MAP) Sensor Replacement (L36)
- Manifold Absolute Pressure (MAP) Sensor Replacement (L67)
- Heated Oxygen Sensor Replacement - Position 1
- Heated Oxygen Sensor Replacement - Position 2
- Throttle Position (TP) Sensor Replacement
- Idle Air Control (IAC) Valve Replacement
- Accelerator Controls Cable Replacement
- Accelerator Controls Pedal Replacement
- Accelerator Controls Cable Bracket Replacement
- Throttle Body Assembly Replacement (L36)
- Throttle Body Assembly Replacement (L67)
- Throttle Body Air Inlet Screen Replacement
- Throttle Body Cleaning Procedure
- Fuel Pressure Relief Procedure
- Fuel Pressure Gage Installation and Removal
- Quick Connect Fitting(s) Service (Metal Collar)
- Quick Connect Fitting(s) Service (Plastic Collar)
- Fuel Filter Replacement
- Fuel Tank Draining Procedure
- Fuel Tank Replacement
- Fuel Tank Pressure Sensor Replacement
- Fuel Level Sensor Replacement
- Fuel Strainer Replacement
- Filler Tube Replacement
- Fuel Sender Assembly Replacement
- Fuel Hose/Pipes Replacement - Filter to Engine
- Fuel Hoses/Pipes Replacement - Filter to Tank
- Fuel System Cleaning
- Fuel Rail Assembly Replacement (L36)
- Fuel Rail Assembly Replacement (L67)
- Fuel Pressure Regulator Replacement
- Fuel Injector Cleaning Procedure (L 36 Only)
- Fuel Injector Replacement
- Evaporative Emission (EVAP) Canister Purge Solenoid Valve Replacement (L36)
- Evaporative Emission (EVAP) Canister Purge Solenoid Valve Replacement (L67)
- Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement
- Evaporative Emission (EVAP) Hoses/Pipes Replacement - Canister/Fuel Tank
- Evaporative Emission (EVAP) Hoses/Pipes Replacement - Chassis/Canister
- Evaporative Emission (EVAP) Hoses/Pipes Replacement - Engine/Chassis
- Evaporative Emission (EVAP) Canister Replacement
- Ignition Coil(s) Replacement
- Ignition Control Module Replacement
- Spark Plug Wire Inspection
- Spark Plug Wire Replacement
- Spark Plug Inspection
- Spark Plug Replacement
- Crankshaft Position (CKP) Sensor Replacement
- Camshaft Position (CMP) Sensor Replacement
- Knock Sensor (KS) 1 Replacement
- Knock Sensor (KS) 2 Replacement
- Exhaust Gas Recirculation (EGR) Valve Replacement
- Exhaust Gas Recirculation (EGR) Inlet Pipe Replacement
- Exhaust Gas Recirculation (EGR) Outlet Pipe Replacement
- Exhaust Gas Recirculation (EGR) System Cleaning
- Boost Control Solenoid Replacement
- Bypass Valve Actuator Replacement
- Air Cleaner Element Replacement
- Air Cleaner Assembly Replacement
- Air Cleaner Intake Duct Replacement
- Description and Operation
- Powertrain Control Module (PCM) Description
- Fuel System Description
- Fuel System Overview
- Fuel Tank
- Fuel Fill Pipe
- Fuel Filler Cap
- Fuel Sender Assembly
- Fuel Level Sensor
- Fuel Pump
- Fuel Strainer
- Fuel Filter
- Fuel Feed and Return Pipes
- Nylon Fuel Pipes
- Quick-Connect Fittings
- Fuel Pipe O-Rings
- Fuel Rail Assembly
- Fuel Injectors
- Fuel Pressure Regulator Assembly
- Fuel Metering Modes of Operation
- Starting Mode
- Clear Flood Mode
- Run Mode
- Acceleration Mode
- Deceleration Mode
- Battery Voltage Correction Mode
- Fuel Cutoff Mode
- Fuel Trim
- Evaporative Emission (EVAP) Control System Description
- Electronic Ignition (EI) System Description
- Knock Sensor (KS) System Description
- Exhaust Gas Recirculation (EGR) System Description
- Boost Control System Description
- Air Intake System Description
- Special Tools and Equipment