P0053 Atención pronto
HO2S Heater Resistance
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Descripción
This code is related to the resistance in the heater circuit of an oxygen sensor. It means the electrical resistance is outside the expected range, which can prevent the sensor from heating up properly.
Causas comunes
- Faulty oxygen sensor heater circuit
- Damaged oxygen sensor
- Wiring issue to the oxygen sensor
- Problem with the oxygen sensor's electrical connector
- Issue with the car's computer (PCM/ECM)
Síntomas
- Check Engine Light is on
- Increased fuel consumption
- Poor engine performance
- Failed emissions test