Honda CR-Z P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Honda CR-Z. 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

Honda S2000 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Honda S2000. 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

Audi Q8 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Audi Q8. 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

Audi Q7 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Audi Q7. 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