Engine Controls - System/Component Tests

• Introduction
• Computerized Engine Controls
  • Electronic Control Module (ECM)
    • Ground Circuit Checks
    • Power Circuit Checks
    • ECM Circuit Resistance (Tracker)
• Engine Sensors & Switches
  • Engine Controls - System/Component Tests
    • Coolant Temperature Sensor
    • Manifold Absolute Pressure (MAP) Sensor
    • Manifold Air Temperature (MAT) Sensor
    • Oxygen Sensor
    • Throttle Position Sensor (Metro A/T)
    • Throttle Position Switch (Metro M/T)
    • Park/Neutral Switch
    • Vehicle Speed Sensor
• Relays
  • EFI Main Relay
  • Fuel Pump Relay
• Solenoids
  • Engine Controls - System/Component Tests
    • Idle Speed Control Solenoid
• Fuel System
  • Fuel Delivery
    • Notes
    • Vehicle Speed Sensor ECM Code 24
    • Fuel Injector
    • Oxygen Sensor
• Idle Control System
  • Engine Controls - System/Component Tests
    • Air Valve
• Ignition System
• Timing Control Systems
  • Engine Controls - System/Component Tests
    • Electronic Ignition Timing Advance (Except Metro LSi w/o ESC)
    • Mechanical Advance (Metro LSi w/o ESC)
    • Vacuum Advance (Metro LSi w/o ESC)
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • EGR System Check
    • EGR Vacuum Supply
    • EGR Modulator
    • EGR Vacuum Switch Valve (VSV)
  • Fuel Evaporation
    • Charcoal Canister Check Valve
    • Fuel Evaporation Bimetallic Vacuum Switching Valve (BVSV)
    • 2-Way Valve Check
  • PCV
    • PCV Valve