|
Re: 02 Chevy Express, P0401
Greg, PO401 is for insufficiant EGR flow, your valve appears to operate fine and the sensor shows that. I would look at cleaning all the EGR passages. Login to read more. 
iATN Members:
Login to read this message and participate Auto Repair Pros: Join iATN to read this message and others Vehicle Owners: Find a nearby iATN member to repair your vehicle 2 Replies Received (View Replies)2 Replies Received (Hide Replies) |
2 Replies Received
2 Replies Received
Video