idle raising ? only if ya dont like where its at.timing and a/f ? again this is my opine.get hold of a good scan tool that has flight recording,while scaning o2 sensors and retard take it out on highway 40 mph to 80 mph wot and one speed shift .if your 02,s average 900/930 mv you are fine 2 degrees retard to max 4 degrees is okay.this is how i checked my 01 a4. low 12,s on NOS
1 - 2 of 2 Posts
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.