Hyundai i30 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Hyundai i30. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The Oxygen sensors are responsible for helping the ECM meter oxygen levels in the exhaust, and helping to … Read more

Hyundai i20 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Hyundai i20. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The Oxygen sensors are responsible for helping the ECM meter oxygen levels in the exhaust, and helping to … Read more

Hyundai i10 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Hyundai i10. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The Oxygen sensors are responsible for helping the ECM meter oxygen levels in the exhaust, and helping to … Read more