How to Handle a Ram EcoDiesel High Pressure Fuel Pump Replacement

Getting hit with a ram ecodiesel high pressure fuel pump replacement is pretty much every owner's worst nightmare, but it's a reality many of us have to face eventually. If you've spent any time on the forums or talking to diesel mechanics, you've probably heard the horror stories about the Bosch CP4 pump. It's the heart of the fuel system in the 3.0L EcoDiesel engine, and when it decides to call it quits, it usually doesn't go quietly. Instead of just stopping, it often "grenades" internally, sending tiny shards of metal—often called "glitter"—throughout the entire fuel system. ...

February 27, 2026 · 7 min · Leno Stevo