Saab 9-5 P0133: Oxygen Sensor Slow Response (Bank 1 -Sensor 1)
P0133 is a common OBDII code that occurs in many vehicles, including theSaab 9-5. The code is triggered when there is an issue with the response time from the oxygen (O2) sensor when switching voltage levels. The O2 sensor is responsible for helping the ECM meter oxygen levels in the exhaust in order to … Read more