For Expert DIY's only!! High level material on exactly how the PCM uses the "learned" Long Term Fuel Trim to adapt to variable conditions. This material is helpful in knowing how to properly use and analyze fuel trim data from your scantool, understand why you sometimes seem to get unexplained va
20:18
27:41
33:15
73:02
28:14
62:05
47:35
23:43
29:59
35:32
22:52
16:09
30:00
13:06
49:45
67:25
12:26
31:46
28:16
13:31