2019+ Chevy Blazer Forum banner

New Member - AFM/DFM Issues

4.3K views 2 replies 2 participants last post by  SmAc  
#1 ·
2020 3.6 cyl. Car shudders at highyway speeds. Seems to want to deactivate cylinders too much...doesnt seem to be as much of an issue at lower speeds...Anyone else having similiar problem or know of a service bulliten for this?