I've got the pictures of the codes, could anyone tell me what is going on with my air system? I don't want to have to go back to stock airbox but it looks like I might have to, unless I can improve the air flow.



'03 A4 5-MT Motoza tuned Frankenturbo F21L With full supporting mods. Sold (and missed dearly).
'13 A5 6-MT Needs more Fun Stuff: Neuspeed PM / 3.0 TDI Intercooler / H&R OE Sport Springs / Bilstein B8 Shocks / TyrolSport Brake Stiffeners / ECS Short Shifter / S5 Side Skirts / RS Grille
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