The oil feed lines to the turbocharger often leak or become blocked with sludge, potentially destroying the turbo. Recommended Maintenance (Prevention)
In worst-case scenarios, the chain can skip teeth on the sprockets, causing the valves to strike the pistons. This results in catastrophic, irreversible engine failure. 2. Severe Carbon Buildup on Intake Valves
Are you diagnosing a or fault code on an EP6DT engine right now?
Change the engine oil every 5,000 to 7,000 miles using high-quality, fully synthetic oil meeting PSA specifications (e.g., Total Quartz Ineo).
The EP6DT is known to consume oil at an alarming rate, often exceeding one quart per 1,000 miles. The Problem There are three main culprits for oil loss:
The BMW/PSA Prince EP6DT engine is a classic tale of "good in theory, flawed in practice." It packs a lot of power and efficiency into a small, lightweight package, but its impressive specifications are overshadowed by a relentless list of expensive and common faults.
This is the EP6DT’s most infamous flaw. The factory timing chain tensioner is weak, and the guides are made of cheese. Symptoms: