Engine Controls - Tests W/Codes - 2.5L & 2.8L

• Introduction
• Self-Diagnostic System
  • Notes
  • Hard Failures
  • Intermittent Failures
  • Diagnostic Procedure
  • Retrieving Codes (Non-Scan)
  • Reading Trouble Codes
  • Hard Or Intermittent Trouble Code Determination
  • Clearing Trouble Codes
  • ECM Location
  • Diagnostic Materials
    • Diagnostic Aids
    • Field Service Mode Check
  • Special Tools (Diagnostic)
  • Scan Tester Usage
  • Scan Data
  • Summary
• Trouble Codes
  • Code 13, Open Oxygen Sensor Circuit
    • Notes
    • Diagnostic Aids
  • Code 14, Coolant Sensor Signal Voltage Low
    • Notes
    • Diagnostic Aids
  • Code 15, Coolant Sensor Signal Voltage High
    • Notes
    • Diagnostic Aids
  • Code 21, TPS Signal Voltage High
    • Notes
    • Diagnostic Aids
  • Code 22, TPS Signal Voltage Low
    • Notes
    • Diagnostic Aids
  • Code 23, Mat Sensor Temp. Low (2.5L)
    • Notes
    • Diagnostic Aids
  • Code 25, Mat Sensor Temp. High (2.5L)
    • Notes
    • Diagnostic Aids
  • Code 33, Map Sensor Signal Voltage High
    • Notes
    • Diagnostic Aids
  • Code 34, Map Sensor Signal Voltage Low
    • Notes
    • Diagnostic Aids
  • Code 35, Idle Speed Error (2.5L)
  • IAC Valve Reset Procedure
    • Notes
    • Diagnostic Aids
    • System Too Lean
    • System Too Rich
    • Throttle Body
    • IAC Valve Connections
    • PCV Valve
  • Code 42, Electronic Spark Timing
    • Notes
    • Diagnostic Aids
  • Code 44, Lean Exhaust Indication
    • Notes
    • Diagnostic Aids
    • O2 Sensor Wire
    • Fuel Contamination
    • Fuel Pressure
    • Exhaust Leaks
  • Code 45, Rich Exhaust Indication
    • Notes
    • Diagnostic Aids
    • Fuel Pressure High
    • Ignition Ground
    • Fuel Canister
    • MAP Sensor
    • TPS
    • O2 Sensor Contamination
    • EGR Problem
  • Code 51, Faulty Prom/Mem-Cal
  • Code 52, Faulty CALPAK (Except 2.5L)
  • Code 53, System OVERVOLTAGE (2.5L)
  • Code 55, ECM/Pcm Error (Except 2.5L)
  • Code 54, Fuel Pump Circuit