
1999 Ford E-250 Econoline 4.2L MIL Lamp on
Mil is on with PO401 "low EGR Flow" in memory. I performed the complete test in Alldata. DPFE Sensor tests good and EGR valve opens. The end result of the Alldata test is to check EGR vacuum passages and orifice tube. I removed the valve and started the engine...
FIX posted 5/22/2006
![]()
iATN Members:
Login to view full TechHelp request Auto Repair Pros: Join iATN to read this TechHelp request Vehicle Owners: Find a nearby iATN member to repair your vehicle (View Replies)24 Replies Received(Hide Replies)24 Replies Received
|
Message Closed w/FIX
|
VIN | 1FTPS2425X |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |
Message Closed w/FIX
Vehicle Data
1999 Ford E-250 Econoline
VIN | 1FTPS2425X |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0401 | EGR System Insufficient Flow Detected |