Reliability Summary

Engine Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) — 75/100 ACCEPTABLE
Known Issues 8

Engine in this model

Known Issues Across All Engines

Issue Engine Severity Onset
Timing belt - interference engine, 120,000 km or 10 years Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) high 120,000 km – 200,000 km
Cracked cylinder liners (early Focus ST, high-pressure and tuned engines) Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) high —
Electronic throttle body failure (Magneti Marelli, 2000-2002 cars) Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) moderate —
Crankcase ventilation clogging / breather diaphragm tear - oil consumption Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) moderate 70,000 km
Variable valve timing (CVVT) unit failure or oil leak Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) moderate —
Turbo oil seal wear Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) minor 200,000 km
Plastic intake plenum split by backfire (early Focus RS Mk2) Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) minor —
Boost-control valve / solenoid failure - low boost Volvo modular I5 petrol (B5244S, B5204T, B5234T, B5244T, B5254T; Ford HYDA/HYDB/HUBA/JZDA) minor —