42 miles not misfiring, AFM working correctly
So the previous thread (42 miles of misfires) was a 2013
Sierra that misfired because of uncommanded cylinder #6
deactivation. This is a 2012 Sierra with same Active Fuel
Management engine, 5.3 LMG. This one is running perfect, I
thought I would post the Cyl Deactivation data from a
roadtest. I've posted the complete snapshot in .sur format
for those with TIS. I've also posted 3 screenshots, taken
from the complete snapshot. Looking at the bottom of each
page will show total frames (473) and the current frame (0,
53, 63) Also you will see the time in seconds next to the
frame number.
Robert Duncanson
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Vehicle Data2012 GMC Sierra 1500 SLE 5.3L
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Vehicle Data
2012 GMC Sierra 1500 SLE 5.3L
Engine | 5.3 L |
Trans | 6-speed Automatic (Electronic) |