Engine Controls - System/Component Tests - EFI

• Introduction
• Engine Sensors & Switches
  • Air Temperature Sensor
  • Cold Start Injector Time Switch
  • Coolant Temperature Sensor
  • EGR Gas Temperature Sensor
  • Manifold Absolute Pressure (Map) Sensor
  • Oxygen (O2) Sensor Feedback Voltage Test
  • Pick-Up Coils
  • Throttle Position Sensor (TPS)
  • Vacuum Sensor
  • Vehicle Speed Sensor
• Relays
  • Circuit Opening Relay
  • EFI Main Relay
  • Fuel Pump Relay
• Fuel System
  • Notes
  • Fuel Pressure
    • Fuel Pressure Release
  • Fuel Delivery
  • Fuel Control
    • Fuel Injectors
    • Fuel Pressure-Up System
    • Deceleration Fuel-Cut System
    • Cold Start Injector
    • Cold Start Injector Time Switch
• Idle Control Systems
  • Idle-Up System
• Ignition System
• Emission Systems & Sub-Systems
  • Exhaust Gas RECIRCULATION
    • System Test
    • EGR Vacuum Modulator
    • Vacuum Switching Valve (VSV)
  • Fuel Evaporation
    • Notes
    • Fuel Odor Or Gas Leaks
    • Fuel Tank Or Expansion Tank Deformed
    • Rough Engine Operation
    • Bimetallic Vacuum Switching Valve (BVSV)
    • Charcoal Canister
    • Maintenance
  • Positive Crankcase Ventilation (PCV)
    • Fixed Orifice
    • PCV Valve
• Throttle Controls
  • Dashpot Control System (Federal)