Water pump and cooling system problems
Often reportedEarly wear or breakage of the water pump is reported, sometimes associated with increased stress on the impeller due to thermostat strategies.
Cooling
When buying a used DS 4 2.0 BlueHDi Stop&Start 2018, the most frequently mentioned issue is water pump and cooling system problems. Additionally, EGR clogging and carbon buildup are also commonly reported.
Be cautious
Most reported issue: Water pump and cooling system problems. Service history and a test drive matter.
Listed from most frequently reported, each with its source.
Early wear or breakage of the water pump is reported, sometimes associated with increased stress on the impeller due to thermostat strategies.
Cooling
Carbon and soot buildup in EGR valves and intake manifolds is reported in BlueHDi 2.0 vehicles (including DS5 2015); this can lead to rough running, performance loss, and the need for periodic manual cleaning.
Engine Bay
Recurring issues with the SCR/AdBlue system in BlueHDi engines; pump/pressurization faults and sensor problems trigger the engine warning light and fault codes.
Exhaust Emissions
Ds 4 2.0 BlueHDi Stop&Start (2018): boot 359 L; fuel use 4,2 l/100 km (urban 4,9 l/100 km · extra-urban 3,8 l/100 km); 0–100 in 9.6 s.
Same trim, different year
We only publish claims we can verify. Cards come from European fault records and owner reports matched to this vehicle on brand, fuel, engine and generation.