Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPONTIAC2009G8 BASEREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM & FUEL SYSTEM - 3.6L - INTRODUCTION
2009 Pontiac G8 Base
Engine Control System & Fuel System - 3.6L - Introduction
2009 Pontiac G8 BaseSECTION Engine Control System & Fuel System - 3.6L - Introduction
- Specifications
- Schematic and Routing Diagrams
- Diagnostic Information and Procedures
- Repair Instructions
- Engine Control Module Replacement
- Throttle Learn
- Engine Coolant Temperature Sensor Replacement
- Mass Airflow Sensor with Intake Air Temperature Sensor Replacement
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 1
- Heated Oxygen Sensor Replacement - Bank 1 Sensor 2
- Heated Oxygen Sensor Replacement - Bank 2 Sensor 1
- Heated Oxygen Sensor Replacement - Bank 2 Sensor 2
- Accelerator Pedal Position Sensor Replacement
- Throttle Body Assembly Replacement
- Throttle Body Inspection and Cleaning
- Fuel Pressure Relief
- Fuel Pressure Gage Installation and Removal
- Metal Collar Quick Connect Fitting Service
- Plastic Collar Quick Connect Fitting Service
- Fuel Filter Replacement
- Fuel Tank Draining
- Fuel Tank Replacement
- Fuel Tank Fuel Pump Module Replacement
- Fuel Tank Pressure Sensor Replacement
- Filler Tube Replacement
- Primary Fuel Tank Module Replacement
- Secondary Fuel Tank Module Replacement
- Fuel Level Sensor Replacement
- Primary Fuel Level Sensor Replacement
- Fuel Hose/Pipes Replacement - Chassis
- Fuel System Cleaning
- Fuel Injector and Fuel Rail Replacement
- Evaporative Emission Canister Purge Solenoid Valve Replacement
- Evaporative Emission Canister Vent Solenoid Valve Replacement
- Evaporative Emission Hoses/Pipes Replacement - Chassis/Canister
- Evaporative Emission Canister Purge Pipe Replacement (Up to 03 October 2006)
- Evaporative Emission Canister Purge Pipe Replacement (After 03 October 2006)
- Evaporative Emission Canister Replacement
- Evaporative Emission Canister Filter Replacement
- Ignition Coil Replacement - Bank 1
- Ignition Coil Replacement - Bank 2
- Spark Plug Inspection
- Spark Plug Replacement
- Crankshaft Position Sensor Replacement
- Camshaft Position Sensor Replacement - Bank 2 (Left Side) Exhaust
- Camshaft Position Sensor Replacement - Bank 2 (Left Side) Intake
- Camshaft Position Sensor Replacement - Bank 1 (Right Side) Exhaust
- Camshaft Position Sensor Replacement - Bank 1 (Right Side) Intake
- Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Intake
- Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 1 (Right Side) Exhaust
- Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Intake
- Camshaft Position Actuator Solenoid Valve Solenoid Replacement - Bank 2 (Left Side) Exhaust
- Knock Sensor Replacement - Bank 1
- Knock Sensor Replacement - Bank 2
- Intake Manifold Runner Control Solenoid Replacement
- Air Cleaner Element Replacement
- Air Cleaner Assembly Replacement
- Air Cleaner Inlet Duct Replacement
- Air Cleaner Outlet Duct Replacement
- Description and Operation
- Air Intake System Description
- Camshaft Actuator System Description
- Electronic Ignition System Description
- Engine Control Module Description
- Notes
- ECM Function
- EEPROM
- Theft Deterrent System Frequency Code Programming
- KS Module
- Data Link Connector (DLC)
- Malfunction Indicator Lamp (MIL)
- ECM Service Precautions
- Emissions Diagnosis For State I/M Programs
- Aftermarket (Add-On) Electrical And Vacuum Equipment
- Electrostatic Discharge (ESD) Damage
- Emissions Control Information Label
- Underhood Inspection
- Basic Knowledge Required
- Evaporative Emission Control System Description
- Fuel System Description
- System Overview
- Fuel Tank
- On-Board ReFuelling Vapor Recovery (ORVR) System
- Fuel Tank Filler Pipe
- Fuel Filler Cap
- Modular Fuel Sender
- Fuel Pump
- Fuel Pressure Regulator Assembly
- Fuel Sender Strainers
- Fuel Filter Assembly
- Fuel Level Sender Assemblies
- Quick-Connect Fittings
- Fuel Pipe O-Rings
- EVAP Pipes and Hoses
- Fuel Rail
- Fuel Injectors
- Fuel Pump Electrical Circuit
- Engine Fuelling
- Sequential Fuel Injection (SFI)
- Starting Mode
- Clear Flood Mode
- Run Mode
- Acceleration Mode
- Deceleration Mode
- Battery Voltage Correction Mode
- Fuel Cutoff Mode
- Fuel Trim
- Knock Sensor System Description
- Throttle Actuator Control (TAC) System Description
- Special Tools and Equipment
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Recommended Tools & Savings
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Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.