what next
#1
what next
my 93 wrx is running a k&n filter a scooby ecu and a full decat system.has been running 1.2 bar boost and very impressive performance(was better than a standard sti) , but lately the boost has dropped back to .8 of a bar in first and second gear and 1.0 - 1.1 bar in the others but dropping of and not holding. any ideas