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00533 - Idle Speed Regulation

00533 - Idle Speed Regulation: Adaptation Limit (Add) Exceeded

Possible Symptoms

  • Bad Fuel Economy

Possible Causes

  • Air Leak between Mass Air Flow (MAF) Sensor and Engine
  • Injector(s) faulty
  • Fuel Pressure Regulator faulty
  • Throttle Body faulty
  • Intake Air Filter dirty

Possible Solutions

  • Perform Throttle Body Adaptation
  • Check Hoses and Pipes to/between Components
  • Check Intake Air Filter
  • Check Fuel Pressure Regulator
  • Check Exhaust Gas Recirculation (EGR) Valve
  • Check Injector(s)

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