Hi guys,
Sorry for asking this dumb question but i've been overseas for a while and now planning to head back home. I'm just wondering what are the differences between Registered and Unregistered cars and what have...
Wonder, Wira 1.6 Auto. This engine did not have o2 sensor for close loop. When tunning, they only allow to adjust the VR,variable resistor ( Lean or Rich ). My question is, how the stock ecu know that the a/f in...