Focus RS Forum banner
mil light
1-1 of 1 Results
  1. MK2 - Engine, Exhaust and Induction
    I know this is a topic that has been discussed on many an occasion but I can't seem to find a definitive answer. I am aware that the mapping on the Mountune kits is very sensitive to the silicone airbox hoses being fitted and people have had issues with the engine management light coming on etc...
1-1 of 1 Results