Hi all,
I have a 2002 passat 1.8T which has been chipped (Upsolute), Freeflow pipe (didn't want too much nose so went with 57mm and 2 teensy freeflow boxes), and BMC Freeflow Filter.
I have picked up an error, (Air Mass Sensor, low input).
I have noticed a very, (almost unnoticeable)...