Engine Controls - Tests W/Codes - 5.7L TBI

• Introduction
• Self-Diagnostic System
  • Notes
  • Hard Failures
  • Intermittent Failures
  • Diagnostic Procedure
  • Retrieving Codes (Non-Scan)
  • Reading Trouble Codes
  • Trouble Code Definition
  • Hard Or Intermittent Trouble Code Determination
  • Clearing Trouble Codes
  • ECM/Pcm Location
  • Diagnostic Materials
    • Diagnostic Aids
    • Field Service Mode Check
  • Special Tools (Diagnostic)
  • Scan Tester Usage
  • Scan Data
  • Test Procedure Summary
• Diagnostic Flow Charts For Codes: 13 To 55
  • Notes
  • Code 13, Open Oxygen Sensor Circuit
    • Notes
    • Diagnostic Aids
  • Code 14, Coolant Temperature Sensor Signal Voltage Low
    • Notes
    • Diagnostic Aids
  • Code 15, Coolant Temperature Sensor Signal Voltage High
    • Notes
    • Diagnostic Aids
  • Code 21, Throttle Position Sensor Signal Voltage High
    • Notes
    • Diagnostic Aids
  • Code 22, Throttle Position Sensor Signal Voltage Low
    • Notes
    • Diagnostic Aids
  • Code 23, Mat Sensor Signal Voltage High
    • Notes
    • Diagnostic Aids
  • Code 24, Vehicle Speed Sensor (VSS)
    • Notes
    • Diagnostic Aids
  • Code 25, Mat Sensor Signal Voltage Low
    • Notes
    • Diagnostic Aids
  • Code 32, EGR System Error (1 Of 3)
  • Code 32, EGR System Error (2 Of 3) Positive BACKPRESSURE
  • Code 32, EGR System Error (3 Of 3) Negative BACKPRESSURE
  • Code 33, Map Sensor Signal Voltage High
    • Notes
    • Diagnostic Aids
  • Code 34, Map Sensor Signal Voltage Low
    • Notes
    • Diagnostic Aids
  • Code 35, IAC Idle Speed Error
    • Notes
    • Diagnostic Aids
    • System Too Lean
    • System Too Rich
    • Throttle Body
    • IAC Valve Connections
    • PCV Valve
  • Code 35, IAC Idle Speed Error Using Tech I
    • Notes
    • Diagnostic Aids
    • System Too Lean
    • System Too Rich
    • Throttle Body
    • IAC Valve Connections
    • PCV Valve
  • Code 42, Est Circuit Open Or Grounded
    • Notes
    • Diagnostic Aids
  • Code 43, ESC Error Without ESC Module
    • Notes
    • Diagnostic Aids
  • Code 43, ESC Error V8 With ESC Module
    • Notes
    • Diagnostic Aids
  • Code 44, Lean Exhaust Indication
    • Notes
    • Diagnostic Aids
    • O2 Sensor Wire
    • Fuel Contamination
    • Fuel Pressure
    • Exhaust Leaks
    • Misfire Or Stall
  • Code 45, Rich Exhaust Indication
    • Notes
    • Diagnostic Aids
    • Fuel Pressure High
    • Ignition Ground
    • Evaporative Fuel Canister
    • MAP Sensor
    • TPS
    • O2 Sensor Contamination
    • EGR Problem
  • Code 51, Faulty Prom/Mem-Cal
  • Code 52, Faulty CALPAK
  • Code 54, Fuel Pump Voltage Low
  • Code 55 ECM Error