Cadillac STS P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac STS. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Cadillac SRX P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac SRX. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Cadillac DTS P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac DTS. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Cadillac DeVille P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac DeVille. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Cadillac CTS P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac CTS. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Cadillac Escalade P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac Escalade. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Cadillac ATS P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Cadillac ATS. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Saturn Vue P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Saturn Vue. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your vehicle is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Saturn Sky P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Saturn Sky. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your car is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more

Saturn Relay P0401: Meaning, Causes, How to Fix

P0401 is a very common OBDII trouble code that’ll pop up in the Saturn Relay. It has to do with the emissions system and stands for Exhaust Gas Recirculation (EGR)→ Insufficient Flow. The EGR system in your van is responsible for recirculating exhaust gasses in order to lower the vehicle’s emissions output. There are three … Read more