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...
Hope someone in the know can help out. I've got an M's T-BAC III from R.S. Akimoto boost controller and wonderin' whether anyone has 1 or know how to tune 1.