Section 277 (Engine Controls - System & Component Testing - 3.8L)
WARNING: This page does not describe the selected car, but rather 7 other vehicles, including the 2003 Pontiac Grand Prix, 2003 Pontiac Bonneville, 2003 Chevrolet Monte Carlo, 2003 Chevrolet Impala, and 2003 Buick Regal. However, it is still accessible from the selected car via links, so may be relevant.
- Introduction
- Component Locations
- Air Induction Systems
- Computerized Engine Controls
- Sensors & Switches
- Notes
- A/C Compressor Clutch Relay
- Camshaft Position Sensor
- Crankshaft Position Sensor
- Engine Coolant Temperature Sensor
- Fuel Level Sensor
- Fuel Tank Pressure Sensor
- Heated Oxygen Sensor
- Intake Air Temperature Sensor
- Knock Sensor
- Manifold Absolute Pressure Sensor
- Mass Airflow Sensor
- Throttle Position Sensor
- Transmission Internal Mode Switch
- Vehicle Speed Sensor
- Relays & Solenoids
- Fuel Systems
- Notes
- Fuel System Pressure Release
- Fuel Delivery
- Alcohol/Contaminants-In-Fuel Diagnosis Without Special Tool
- Alcohol/Contaminants-In-Fuel Diagnosis With Special Tool
- Fuel Injector Circuit Diagnosis (Grand PRIX & Park Avenue)
- Fuel Injector Circuit Diagnosis (Impala & Monte CARLO)
- Fuel Injector Circuit Diagnosis (Regal)
- Fuel Injector Balance Test With Special Tool
- Fuel Injector Balance Test With Tech 2®
- Fuel Injector Coil Test
- Fuel Pump Relay
- Fuel Injector Cleaning
- Fuel System Cleaning
- Fuel Tank Leak Test
- Idle Control Systems
- Ignition Systems
- Emission Systems & Subsystems
- Miscellaneous Controls
- Wiring Diagrams