leftynmn
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5.3 Dynamic fuel management
leftynmn replied to Kdn85's topic in Engines & Drivetrain (V8, Duramax, TurboMax)
I had a 2014 GMC all terrian with DFM, 6 speed. Horrible clunking in low gear shifting. Used a Range tech 003 to get rid of the switching from V8 to V4. I now have a 2019 Chevy Trailboss LT 5.3. How do I know if this has DFM? As sites I have looked at says it is available on the Trailboss not standard. No where does it show it is going into V4 like my old GMC. How do I know if I have DFM on my 2019 Trailboss?
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