2026-09-15
Lexus LS 460/500h Catalytic Converter Replacement Malaysia
LS 460 V8 has 4 cats; LS 500h V6 has 2. Failure is very rare before 150,000 km. Direct injection LS 460 cats can foul from oil burning at high mileage — address any oil consumption early. OEM replacement: depending on variant.
Lexus LS Catalytic Converter
- LS 460 uses 1UR-FSE V8 direct injection — four catalytic converters total; direct injection deposits can cause cat-fouling at high mileage if walnut blasting is overdue
- LS 600h uses 2UR-FSE V8 hybrid — catalytic converters coupled with hybrid's reduced cold-start time; cat lifespan excellent when maintained on premium fuel
- LS flagship cat maintenance: as a flagship luxury car, LS deserves OEM catalytic converters — aftermarket units may trigger codes and affect emissions compliance in Malaysia
- LS P0420/P0430 on high-mileage unit: always pair cat diagnosis with compression test and oil consumption check — LS V8 oil consumption from worn valve seals is a common cat killer