P0400 has gone after cleaning the intake mainfold's EGR entrance from soot!
UPDATE (01.10.2021) After 17 000km of driving I can confirm that the DTC P0400 never comeback. Good luck!
#P0400 #DTC #IntakeMainfold #EGR #Valve #Check #Engine #Light #Exhaust #Gas #Recirculation #Flow #1CDFTV #Passage #Clogged #Deposits #Soot #Problem #Fixed #Solved #Gone