Volvo XC90

The D4 190 hp VEA diesel was also affected by the 2020 EGR cooler recall. Clogged EGR systems with fire risk occurred on vehicles with the D4204T14 engine just as on the weaker D3. Check recall status.

Symptoms: Check engine light, engine throttling, in severe cases smoke from engine bay

The D4 Drive-E turbocharger shows turbine wheel damage from 80,000–120,000 km. Debris can contaminate the intercooler. Primary cause: frequent short trips and overdue oil changes.

Symptoms: Sudden power loss, black smoke, metallic whistling or grinding from engine bay, check engine light

On the D4 variant, the elevated EGR soot input also leads to accelerated DPF clogging. The combined EGR+DPF problem makes diagnosis difficult. A predominantly short-trip driving profile worsens both issues.

Symptoms: DPF warning light, engine power reduction, increased fuel consumption, occasionally rough running

The high-pressure common-rail injectors of the 190 hp D4 diesel are more susceptible to wear than those of the weaker D3, because the higher injection pressure places greater stress on precision components.

Symptoms: Rough engine running, hard starting, knocking at idle, fuel dripping at injector

The D4 Drive-E EGR cooler is prone to sludge build-up from overcooling. According to a Pistonheads forum thread, a Volvo service manager confirmed this as a known problem with this engine. Repair cost approx. 700 GBP.

Symptoms: Check engine light (EGR fault code), idle fluctuations, reduced fuel consumption after repair (from 50 to 38 mpg), occasional limp mode

DPF problems from short-trip use are common on the D4. Complete DPF regeneration requires extended motorway driving. Some vehicles need recall replacement of the particulate filter, intake tract and EGR.

Symptoms: DPF warning light, power reduction, elevated oil level from fuel entry during active regeneration attempts

Rubber hoses between the turbocharger and intercooler split over time, especially the hose on the turbine side. Typical problem commonly diagnosed first in forums. A DIY fix is possible.

Symptoms: Sudden power loss, hissing under load, check engine light P0299

Plastic intake manifolds on diesel models from 2015–2017 can overheat and deform, posing a fire risk. Check for recall and ensure replacement by a Volvo dealer.

Recall 2019–2020: the automatic emergency braking system (AEB) does not correctly detect obstacles and does not activate. Check recall status at the Volvo dealer and have the software update applied.

The ERAD (electric rear axle drive) on the XC90 T8 is a known critical weak point. Clutch wear sends metal particles into the differential oil, leading to bearing damage and complete failure. Repair outside warranty can cost up to €9,000.

On the XC90 II B5/B6, plastic turbocharger hoses rupture under boost pressure. Several owners report sudden power loss on the motorway. Volvo responded with reinforced hoses in later model years.

On the XC90 II with optional air suspension (Four-C / Air Suspension) the compressor fails, especially on older vehicles or after moisture ingress. The car drops onto its bumpstops and is no longer driveable normally.

In 2016 around 11,000 XC90 II vehicles were recalled in Germany: the A/C drain hose was defective and let water into the footwell. Damp wiring looms can permanently damage control units.

The optional air suspension on the XC90 II can fail in low ambient temperatures: the vehicle loses ride height, the compressor runs endlessly or reports a fault. Software updates partially help.