hey guys i was wonderin wat me blowing grey darkish smoke would be when drivin sometimes, im havin problems with running rich and using lots oil and petty a moment also a hunting idle??? thanks guys any suggestions on wat to do and wat it is would be helpful, also ive checked my O2 sensor with the error codes and they came up normal though it could be an o2 sensor or AFM sensor ?? should i get it checked out
cheers