Subaru Baja 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 Subaru Baja. 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

Mazda BT-50 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 Mazda BT-50. 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

Mazda CX-9 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 Mazda CX-9. 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

Mazda CX-8 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 Mazda CX-8. 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

Mazda CX-5 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 Mazda CX-5. 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

Mazda CX-3 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 Mazda CX-3. 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

Mazda Miata 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 Mazda Miata. 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

Mazda MX-5 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 Mazda MX-5. 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

Mazda 6 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 Mazda 6. 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

Mazda 3 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 Mazda 3. 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