€311
€18,658 over 5 years
Fuel, wear and when known faults arrive all follow it.
The EA288 engine utilizes a variable water pump with a sliding collar (shroud) that covers the impeller to stop coolant flow during engine warm-up. This collar frequently binds or sticks in the closed position due to thermal cycling, causing sudden and severe engine overheating.
The AdBlue (DEF) pump in the tank can fail due to fluid crystallization, particularly if the vehicle is unused for periods or filled with degraded fluid. Additionally, NOx sensors are prone to soot contamination and internal electrical faults, triggering emissions lockouts.
The low-pressure EGR system suffers from soot accumulation combined with moisture, leading to flow restrictions. Furthermore, thermal stress can cause internal cracking within the EGR cooler, allowing coolant to leak directly into the exhaust tract.
Report created Nov 10, 2026. Figures are estimates based on the listing, not a recommendation to buy.
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