0 like 0 dislike
286 views
by

Unable to clear code p0401 on 2000 Ford Expedition. Replaced DPFE, EGR valve, and EGR solenoid what else is there?

Vehicle: 2000 Ford Expedition

2 Answers

0 like 0 dislike
by (13.5k points)
HI there

Check and make sure there isn't a blockage in the tube to the EGR. If there is, then even though the EGR is working, it won't pull any air and will cause the code to appear.
0 like 0 dislike
by (8.3k points)
P0401 FORD - Exhaust Gas Recirculation Flow Insufficient Detected

Read more: https://www.autocodes.com/p0401_ford.html

Related questions

1 like 0 dislike
1 answer 257 views
0 like 0 dislike
1 answer 388 views
0 like 0 dislike
1 answer 586 views
1 like 0 dislike
2 answers 670 views
1 like 0 dislike
2 answers 377 views

36.2k questions

32.2k answers

1.3k comments

22.8k users

Need A Repair Shop?
Find local automotive repair shops in your area.
Does your car have Safety Recalls? → Check here
...