I got the P0401 code which is "exhaust gas recirculation flow insufficient detected"
I understand that the EGR might be dirty or the vsv might be the problem.
Here is a picture of my egr with and without the cap and filter:
questions:
1. how do you clean the egr?
2. how do you check the vsv?
thanks.
I understand that the EGR might be dirty or the vsv might be the problem.
Here is a picture of my egr with and without the cap and filter:

questions:
1. how do you clean the egr?
2. how do you check the vsv?
thanks.
Image uploading. Refresh page to view
