Fuel Injection System - PFI

• Component Testing
• Description
  • Notes
  • Fuel System
  • Electronic Control System
• Operation
  • Fuel Control System
  • Fuel Pump
  • Fuel Pressure Regulator
  • Fuel Rails
  • Fuel Injectors
  • Cold Start Valve
  • Air Induction System
  • Throttle Body
  • Idle Air Control
  • Airflow Sensing
    • Speed Density (2.0L Turbo & Fiero 2.8L Only)
    • Mass Airflow
• Adjustments
  • Notes
  • Minimum Idle Speed Adjustment
    • Notes
    • 2.8L (Except Fiero), 3.0L & 3.8L
    • 5.0L & 5.7L
  • Throttle Position Sensor (TPS) Adjustment
    • Notes
    • 2.8L, 3.0L, 5.0L & 5.7L
    • 3.8L
• Removal & Installation
  • Notes
  • Fuel Rail & Injectors
    • Removal
    • Installation
  • Idle Air Control Valve
    • Removal
    • Installation
  • Oxygen Sensor
    • Removal
    • Installation
  • Throttle Position Sensor
    • Removal
    • Installation
  • Fuel Pump
    • Removal & Installation (Except Corvette)
    • Removal (Corvette)
    • Installation
• Trouble Shooting
  • Notes
  • ECM Trouble Codes
  • Entering Diagnostic Mode
  • Trouble Codes
    • Notes
    • Code 13
    • Code 14
    • Code 15
    • Code 21
    • Code 22
    • Code 23
    • Code 24
    • Code 25
    • Code 31
    • Code 32
    • Code 33
    • Code 34
    • Code 35
    • Code 36
    • Code 41
    • Code 42
    • Code 43
    • Code 44
    • Code 45
    • Code 51
    • Code 52
    • Code 53
    • Code 54
    • Code 55
    • Code 61
    • Code 63
    • Code 64
  • Clearing Trouble Codes
  • Exiting Diagnostic Mode
  • Preliminary Checks
  • Fuel System Pressure Diagnosis
  • Hard Start
  • Hesitation, Sag, Stumble
    • All Engines Except 3.0L & 3.8L
    • 3.0L & 3.8L
  • Rough, Unstable Idle
  • Cuts Out, Misses
  • Detonation
  • Injector Balance Test
• Wiring Diagrams