Trouble Ticket Help Requests for DTC P0401
|2005 Hyundai Santa Fe GLS 3.5L Poor Idle Quality, MIL Lamp on VIN: KM8SC13E55
P0401: EGR System - Insufficient Flow Detected. With the vacuum line connected to the EGR valve, the valve will stay wide open all the time. This setup has a line coming off the throttle body with manifold vacuum which connects to a 'tee". One line tees off directly to the EGR valve, the other tees off ...
|February 13, 2015|