Pontiac Aztec P0401: EGR – Insufficient Flow Diagnosis

P0401 is a common OBDII trouble code that’ll pop up in the Pontiac Aztec. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the Aztec’s EGR system. … Read more

Pontiac Firebird P0401: EGR – Insufficient Flow Diagnosis

P0401 is a common OBDII trouble code that’ll pop up in the Pontiac Firebird. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the Firebird’s EGR system. … Read more

Saturn SW P0401: EGR – Insufficient Flow Diagnosis

P0401 is a common OBDII trouble code that’ll pop up in the Saturn SW. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the SW’s EGR system. … Read more

Saturn SC P0401: EGR – Insufficient Flow Diagnosis

P0401 is a common OBDII trouble code that’ll pop up in the Saturn SC. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the SC’s EGR system. … Read more

Saturn SL P0401: EGR – Insufficient Flow Diagnosis

P0401 is a common OBDII trouble code that’ll pop up in the Saturn SL. It has to do with the emissions system and stands for: The EGR system on a vehicle is responsible for recirculating exhaust gasses in order to lower the vehicles emissions output. There are three main parts of the SL’s EGR system. … Read more