GMC Sonoma P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the GMC Sonoma. 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

Saturn SW P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Saturn SW. 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

Saturn SC P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Saturn SC. 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

Saturn SL P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Saturn SL. 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

Suzuki XL-7 P0139: O2 Sensor Slow Response (Bank 1 -Sensor 2)

P0139 is a common OBDII code that occurs in many vehicles, including the Suzuki XL-7. 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