Section 5 (Engine Control System & Engine Component Tests - 3.8L)

• Model Identification
• Introduction
• Computerized Engine Controls
  • Pcm Power & Ground Check
    • Ground Circuits
    • Power Circuits
    • PCM Harness Resistance
  • Diagnostic Trouble Codes
• Engine Sensors & Switches
  • Notes
  • Engine Control System & Engine Component Tests - 3.8L
    • Engine Oil Level Sensor Diagnosis
    • Engine Oil Pressure Sensor Diagnosis
    • Fuel Level Sensor Diagnosis
• Motors, Relays & Solenoids
  • Notes
  • Motors
    • Idle Air Control (IAC) Motor
  • Relays
    • A/C Clutch Relay
    • Fuel Pump Relay
  • Solenoids
• Fuel System
  • Notes
  • Engine Control System & Engine Component Tests - 3.8L
    • Fuel Injector Balance Test
    • Injector Coil Test ECT Between 50-95°F
    • Injector Coil Test ECT Not Between 50-95°F
• Idle Control System
  • Engine Control System & Engine Component Tests - 3.8L
    • Idle Air Control (IAC) System Diagnosis
• Ignition System
• Emission Systems & Sub-Systems
  • Notes
  • EVAP Control System Diagnosis
  • Air Injection
    • AIR Pump (Belt-Driven)
    • Check Valve
  • Exhaust Gas RECIRCULATION
    • Notes
    • Exhaust System Check
  • Fuel Evaporation Control
    • Fuel Tank Pressure Sensor Diagnosis
  • Positive Crankcase Ventilation (PCV)
    • Required Service
    • Checking PCV Valve Function
• Miscellaneous Controls
  • Notes
  • Transmission
    • Notes
    • Converter Clutch Solenoid
    • Converter Lock-Up Signal At Transmission
    • Converter Lock-Up Signal From PCM
  • Pcm Controlled Tachometer
  • Pcm Controlled Generator
  • Pcm Controlled Warning Lights
    • Warning Light Diagnosis
  • A/C Compressor Clutch Controls
  • Electric Cooling Fan Control
• Component Locations
  • Notes
  • Component Locations (VIN K) - (Lumina & Monte CARLO)
  • Component Locations (VIN K & VIN 1) - (Regal & Intrigue)
  • Component Locations (VIN K & VIN 1) - (Grand PRIX)