Ram 1500 engine ticking and misfire issue due to damaged lifters and camshaft in hemi motor with MDS system on Ram 1500

Submitted by Vehicle Owner · Jun 23, 2025
Published by RepairPal

Problem overview

Some Ram 1500 owners report experiencing engine ticking and misfire issues related to damaged lifters and camshaft problems in the Hemi 5.7L motor with the Multi-Displacement System (MDS). These owners often cite the "Hemi Tick," a common ticking noise resulting from worn lifters or camshaft issues, which can lead to significant engine damage and costly repairs if not addressed promptly. Lifter failure may arise from factors like poor oil quality, improper maintenance, or defective parts, and the MDS system can exacerbate these issues if non-MDS lifters lack sufficient oil. Symptoms such as ticking sounds, misfires, and a check engine light are frequently reported when these problems become severe. Therefore, proper maintenance and timely repairs are crucial for Ram 1500 owners to ensure optimal engine performance and longevity.

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