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Pontiac G8 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 Pontiac G8. 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

Pontiac Vibe 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 Pontiac Vibe. 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

Cadillac XTS 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 Cadillac XTS. 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

Cadillac XLR 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 Cadillac XLR. 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

Cadillac STS 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 Cadillac STS. 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

Cadillac SRX 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 Cadillac SRX. 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

Cadillac DTS 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 Cadillac DTS. 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

Cadillac CTS 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 Cadillac CTS. 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