Audi Q5 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi Q5. 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 Q3 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi Q3. 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 Q2 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi Q2. 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 TT P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi TT. 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 A5 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi A5. 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 A4 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi A4. 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 A3 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi A3. 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 A1 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Audi A1. 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

Hummer H3 P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

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P0139 is a common OBDII code that occurs in many vehicles, including the Hummer H3. 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