P050C OBD II Trouble Code Cold Start Engine Coolant Temperature Performance

How to easily diagnose, repair, and info on causes of a P050C trouble code that indicates a detected cold start engine coolant temperature performance problem.

Symptoms of P050C OBD II Trouble Code

  • Rich exhaust
  • Cold start drivability issues
  • No heat inside the passenger compartment
  • ECT sensor related codes

Common Causes of P050C OBD II Trouble Code

  • Defective primary or secondary ECT sensor
  • Faulty ambient temperature sensor
  • Shorted or open circuits or connectors
  • Bad thermostat
  • Low engine coolant

Severity of P050C OBD II Trouble Code

A lack of engine coolant efficiency may result in poor drivability under cold start conditions, diminished fuel efficiency, and poor heater output. A code P050C should be considered severe and rectified at your earliest convenience.