P0401

PatrickPD105

New member
Joined
Feb 18, 2020
Location
Croatia
TDI
VW Golf 1.9 TDI BKC PD105
Hello, I'm new around here so your help would make my day. ?
I have a Golf MK5 1.9 TDI 77kw BKC engine 2005 with 135 thousand km.
I have an engine light and my obd diagnostic says P0401 insufficient air flow (something like that).
I cleaned the egr and the pipe that goes from the cooler to the egr and the light is back. The egr is working fine.
Any advice or solution would be helpful. If i missed something i will add it to the post.
 
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