Modern RAM trucks come from the factory with cylinder deactivation, a feature that shuts down one bank of cylinders in the engine with the purpose of saving fuel. But does it actually help improve your fuel economy? In this episode of What's Up With That, Jake borrowed the 2019 RAM 1500 from our fleet to test if his fuel economy really is improved with MDS activated.

See the tuner we used in this video at AmericanTrucks.com!
Edge Pulsar Inline Tuning Module https://amtrucks.at/49oekJR


Intro 0:00
What is Cylinder Deactivation? 0:20
How Can You Disable Cylinder Deactivation? 0:45
Driving Test 1:32
Driving Test Results 2:03
Final Thoughts 3:00


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