This page is meant to help you troubleshoot the Cadillac XLR P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more
This page is meant to help you troubleshoot the Cadillac STS P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more
This page is meant to help you troubleshoot the Cadillac SRX P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more
This page is meant to help you troubleshoot the Cadillac DTS P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more
This page is meant to help you troubleshoot the Cadillac DeVille P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more
This page is meant to help you troubleshoot the Cadillac CTS P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more
This page is meant to help you troubleshoot the Cadillac ATS P0420 trouble code. It covers the P0420 code’s meaning, symptoms, causes, and possible solutions. P0420 is the most common OBDII code and is virtually never a breakdown risk. A failing oxygen sensor or bad catalytic converter are the most common causes of P0420. Table … Read more
P0441 is one of the more common OBD-II trouble codes. It’s a generic powertrain code, which means regardless of what auto manufacturer built the vehicle, it’ll have the same meaning. It means that there is an issue with the Evaporative Emissions System. P0441: Evaporative Emission Control (EVAP) System → Incorrect Purge Flow The vehicle’s … Read more
P0135 is a very common OBDII code. It is caused by a failure in the heated element in an oxygen sensor. It technically stands for: P0135: Heated Oxygen Sensor → Sensor Heater Circuit Malfunction → Bank 1, Sensor 1 The purpose of the heated element in the oxygen sensor is to quickly bring it up … Read more
P0401 is a very common OBDII trouble code. It has to do with the emissions system and stands for: P0401: EGR → Insufficient Flow The EGR system on a vehicle is responsible for re-circulating exhaust gasses in order to lower the vehicles emissions output. There are three main parts to the EGR system. They are the … Read more