2020 VOLVO S90 B4204T26/B4204T28 (P2 SPA)
P2 SPA / Sedan / Global (noting variations in engine offerings between regions)
B4204T26B4204T28B4204T27Exact year/trim recordSilver
Engine identity
Oils and fluids
Service and parts data
Common and chronic problems
- Electrical system glitches (infotainment/software updates)
- Turbocharger wear at higher mileage, especially in petrol engines
- DPF clogging in diesel variants under urban use conditions
First checks
- Confirm updated software versions for engine and infotainment
- Check turbocharger operation and intake system
- Inspect for coolant leaks, especially around hose connections
Before replacing parts
- Save fault codes and freeze-frame data before clearing anything.
- Check engine oil, coolant and transmission fluid using the correct temperature and service procedure.
- Verify power, ground, connectors, hoses, leaks and live data before replacing expensive parts.
Important notes
- Specific engine options vary significantly by global region; US market mainly offers T5 and T6 petrol engines with mild hybrid.
- Oil capacity depends on engine and filter type; the 5.8L figure includes filter change but consult local workshop manual for exact model.
- Some versions include mild hybrid 48V system, affecting service and diagnostics.