Diagnostic Aids

Lambda controller block on minimum or maximum limit. Check for following possible problems:

• Intake or exhaust system leak.
• Faulty EVAP Purge Control Solenoid Valve (PCSV).
• Faulty fuel delivery system.
• Faulty ignition system.
• Faulty Heated Oxygen Sensor (HO2S), Mass Airflow (MAF) sensor or Throttle Position (TP) sensor.