2012 6.2L loss of power on freeway, bucking Cylinder Misfire

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AndysLog

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agreed, we werent there so we can only speculate.
from a diy standpoint i would have done o2 sensors first.

from a dealer, it makes sense they would do as much as they could talk him into.
 

MTF

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Yeah but if your not a DIY or just don't have the time, you have no choice.

Also to point out he has over 134,000 miles on it.
There are guys on here that had their cats fail under 25,000 miles
 
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