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 MANUALSCHEVROLET2006COBALT SS, 4D SEDAN, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 411 (ENGINE CONTROLS - 3.5L (L66) - INTRODUCTION (2 OF 2))
2006 Chevrolet Cobalt SS, 4D Sedan, Standard
Section 411 (Engine Controls - 3.5L (L66) - Introduction (2 Of 2))
2006 Chevrolet Cobalt SS, 4D Sedan, StandardSECTION Section 411 (Engine Controls - 3.5L (L66) - Introduction (2 Of 2))
WARNING: This page is about a different car, the 2006 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
- Specifications
- Schematic and Routing Diagrams
- Component Locator
- Engine Controls Component Views
- Powertrain Control Module (PCM) Connector End Views
- Engine Controls Connector End Views
- Accelerator Pedal Position (APP) Sensor Connector End View
- Camshaft Position (CMP) Sensor Connector End View
- Crankshaft Position (CKP) Sensor Connector End View
- Engine Coolant Temperature (ECT) Sensor 2 Connector End View
- Evaporative Emissions (EVAP) Canister Purge Solenoid Valve Connector End View
- Evaporative Emissions (EVAP) Canister Vent Solenoid Connector End View
- Exhaust Gas Recirculation (EGR) Valve Connector End View
- Fuel Injector 1 Connector End View
- Fuel Injector 2 Connector End View
- Fuel Injector 3 Connector End View
- Fuel Injector 4 Connector End View
- Fuel Injector 5 Connector End View
- Fuel Injector 6 Connector End View
- Fuel Pump and Sender Assembly - Primary Connector End View
- Fuel Pump and Sender Assembly - Secondary Connector End View
- Fuel Tank Pressure (FTP) Sensor Connector End View
- Heated Oxygen Sensor (HO2S) Bank 1 Sensor 1 Connector End View
- Heated Oxygen Sensor (HO2S) Bank 1 Sensor 2 Connector End View
- Heated Oxygen Sensor (HO2S) Bank 2 Sensor 1 Connector End View
- Heated Oxygen Sensor (HO2S) Bank 2 Sensor 2 Connector End View
- Ignition Control Module (ICM) 1 Connector End View
- Ignition Control Module (ICM) 2 Connector End View
- Ignition Control Module (ICM) 3 Connector End View
- Ignition Control Module (ICM) 4 Connector End View
- Ignition Control Module (ICM) 5 Connector End View
- Ignition Control Module (ICM) 6 Connector End View
- Intake Air Temperature (IAT) Sensor 1 Connector End View
- Intake Air Temperature (IAT) Sensor 2 Connector End View
- Knock Sensor (KS) Connector End View
- Manifold Absolute Pressure (MAP) Sensor Connector End View
- Rocker Arm Oil Control Solenoid Connector End View
- Rocker Arm Oil Pressure Switch Connector End View
- Throttle Actuator Control (TAC) Module Connector End View
- Diagnostic Information and Procedures
- Repair Instructions
- Powertrain Control Module (PCM) Replacement
- Idle Learn Procedure
- Engine Coolant Temperature (ECT) Sensor Replacement
- Intake Air Temperature (IAT) Sensor 1 Replacement
- Intake Air Temperature (IAT) Sensor 2 Replacement
- Manifold Absolute Pressure (MAP) Sensor Replacement
- Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 1
- Heated Oxygen Sensor (HO2S) Replacement Bank 1 Sensor 2
- Heated Oxygen Sensor (HO2S) Replacement Bank 2 Sensor 1
- Heated Oxygen Sensor (HO2S) Replacement Bank 2 Sensor 2
- Accelerator Pedal with Position Sensor Replacement
- Throttle Body Assembly Replacement
- Throttle Body Service
- Fuel Pressure Relief Procedure
- Fuel Pressure Gage Installation and Removal
- Quick Connect Fitting(s) Service (Metal Collar)
- Quick Connect Fitting(s) Service (Plastic Collar) (Plastic Collar)
- Quick Connect Fitting(s) Service (Plastic Collar) (Plastic Collar Press Release)
- Quick Connect Fitting(s) Service (Plastic Collar) (Plastic Collar Lever Release)
- Fuel Tank Draining Procedure
- Fuel Tank Replacement
- Fuel Tank Pressure Sensor Replacement
- Filler Tube Replacement
- Fuel Tank Module Replacement - Primary
- Fuel Tank Module Replacement - Secondary
- Fuel Level Sensor Replacement - Primary
- Fuel Level Sensor Replacement - Secondary
- Fuel Hose/Pipes Replacement - Chassis
- Fuel System Cleaning
- Fuel Rail Assembly Replacement
- Fuel Injector Replacement
- Evaporative Emission (EVAP) Canister Purge Solenoid Valve Replacement
- Evaporative Emission (EVAP) Canister Vent Solenoid Valve Replacement
- Evaporative Emission (EVAP) Hoses/Pipes Replacement - Chassis/Canister
- Evaporative Emission (EVAP) Canister Replacement
- Evaporative Emission (EVAP) Canister Filter Replacement
- Evaporative Emission (EVAP) System Cleaning
- Evaporative Emission System Cleaning
- Ignition Coil(s) Replacement - Bank 1
- Ignition Coil(s) Replacement - Bank 2
- Spark Plug Inspection
- Spark Plug Replacement
- Crankshaft Position (CKP) Sensor Replacement
- Camshaft Position (CMP) Sensor Replacement
- Rocker Arm Oil Control Solenoid Valve Replacement
- Rocker Arm Oil Pressure Switch Replacement
- Knock Sensor (KS) Replacement
- Exhaust Gas Recirculation (EGR) Valve Replacement
- Air Cleaner Element Replacement
- Air Cleaner Assembly Replacement
- Air Cleaner Intake Duct and Resonator Replacement
- Air Cleaner Resonator Outlet Duct Replacement
- Description and Operation
- Powertrain Control Module (PCM) Description
- Notes
- Self-Diagnosis Function
- Malfunction Indicator Lamp (MIL) Operation
- Fail-Safe Function
- Control Module Learning Ability
- PCM Long Term Memory and Engine Off Diagnostics
- PCM Output Controls
- Data Link Connector (DLC)
- Reading Diagnostic Trouble Codes
- Clearing Diagnostic Trouble Codes
- Aftermarket (Add-On) Electrical and Vacuum Equipment
- Electrostatic Discharge (ESD) Damage
- Input Components
- Output Components
- Catalyst Monitor Diagnostic Operation
- Three-Way Catalyst Oxygen Storage Capacity
- Catalyst Monitor (Good Catalyst)
- Catalyst Monitor (Bad Catalyst)
- Misfire Monitor Diagnostic Operation
- Fuel Trim System Monitor Diagnostic Operation
- Throttle Actuator Control (TAC) System Description
- Rocker Arm Oil Control System Description
- Fuel System Description
- Fuel System Overview
- Fuel Tank
- Fuel Fill Pipe
- Fuel Filler Cap
- Primary Fuel Tank Module
- Secondary Fuel Tank Module
- Fuel Level Sensor
- Fuel Pump
- Primary and Secondary Jet Pumps
- Fuel Strainer
- Fuel Filter
- Fuel Pressure Regulator
- Fuel Feed Pipes
- Nylon Fuel Pipes
- Quick-Connect Fittings
- Fuel Pipe O-rings
- On-Board Refueling Vapor Recovery System (ORVR)
- Fuel Metering System
- Fuel Rail
- Fuel Injectors
- Engine Fueling
- Air/Fuel Ratio Feedback Compensation - Closed Loop Operation
- Synchronous Injection
- Asynchronous Injection
- Engine Starting Enrichment
- Engine Warm-Up Enrichment
- Acceleration Enrichment
- High Engine Load Enrichment
- System Voltage Compensation
- Base Air/Fuel Ratio Compensation
- Fuel Cutoff
- Evaporative Emission (EVAP) Control System Description
- Electronic Ignition (EI) System Description
- Knock Sensor (KS) System Description
- Exhaust Gas Recirculation (EGR) System Description
- Air Intake System Description
- Powertrain Control Module (PCM) Description
- Special Tools and Equipment
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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.