hey bro's...wat i wanna know is that my car's check light on the speedometer panel suddenly turned on while i was driving an now its constantly on :S... i dnt feel any change in performance or the drive but the light is still there,so its REALLY bugging me :P..an yea before it turned on,i was sort of doin a lil run on the car IF that makes a difference... BTW the car is a santro exec '04 ,with stage 1 mod's ,on CNG and COMPLETE engine tuning done juss last week.....ill be waiting guys