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P0401 - Tdi 1.6 CR Skoda Octavia

Grespion
in Diagnostics & VCDS

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Hi 

 

I have just recently got my EGR valve unit replaced on my 2010 TDI 1.6 CAYC (Commonrail) engine from Skoda/VAG

I also got my Mass Air Flow sensor replaced.

 

After this was replaced I get the Yellow engine light code on, and my OBD Mobile scan says P0401 engine exhaust gas low flow .

 

It happens most around 1800 +/- RPM in the engine and in low speed mostly city driving... 

In the beginning I got it a lot, now not that much , but still there 

 

Hope you have some great ideas or tricks ?

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