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

P0139 is a common OBDII code that occurs in many vehicles, including the Mazda 2. 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

Dodge Ram P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Dodge Ram. 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

Dodge Nitro P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Dodge Nitro. 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

Dodge Neon P0139: O2 Sensor Slow Response (Bank 1 – Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Dodge Neon. 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