Ram 1500 total engine failure due to common issue with 3.0 EcoDiesel engine on Ram 1500

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

Problem overview

Some Ram 1500 owners with the 3.0 EcoDiesel engine report experiencing total engine failure due to several common issues, including oil cooler failure, camshaft gear slipping, and EGR cooler failure. Additionally, problems such as timing chain slipping, EGR system failure, and crankshaft position sensor issues can contribute to engine failure. Owners have noted that pushing the EcoDiesel engine beyond its limits may exacerbate these problems, leading to significant engine complications. Furthermore, potential buyers are advised to be cautious with model years from 2014 to 2016, which have been associated with more recalls and engine-related issues, while models from 2018 to 2022 show improved reliability. Addressing these known issues through regular maintenance is crucial to prevent total engine failure and extend the vehicle's lifespan.

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