i'm driving a 4g91 bot...
use to be running full load of around RM 65 for 420km...
but now...RM 65 is around 330km..
omg guys...help help..
isit regarding on my tuning???
isit becoz my fuel too much?
i install a ficd...
just to know about O2 sensor...izit really important? because since mine is faulty i just ignore that sensor and now i driving with faulty sensor,should i replace the sensor and how much does it cost.i was told the...