P0401 Diagnostic Trouble Code Discussion for March 2021
Insufficient EGR Flow Detected
Note: This is a professional automotive technician's resource.
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.Trouble Ticket Help Requests for DTC P0401
| Help Request | Posted | |
| 1999 Toyota Tacoma 2.4L MIL Lamp on VIN: 4TANL42N6X P0401: EGR System Insufficient Flow Detected. ... little divine wisdom on this little truck. Truck came to me with a P0401 EGR Flow Insufficient. Tested the system and all was working except the EGR temperature sensor would go open when the temperature of the exhaust went up so I replaced the sensor ... |
March 16, 2021 | |
| 1999 Toyota Tacoma 2.4L MIL Lamp on VIN: 4TANL42N6X P0401: EGR System Insufficient Flow Detected. ... little divine wisdom on this little truck. Truck came to me with a P0401 EGR Flow Insufficient. Tested the system and all was working except the EGR temperature sensor would go open when the temperature of the exhaust went up so I replaced the sensor ... |
March 17, 2021 |
