2002 LEXUS LS 1UZ-FE (LS430)/3UZ-FE (LS430 in some markets 2003+) (XF30)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Valve cover gasket leaks
• VVT-i system rattling in some early models
• Air suspension compressor issues in later years

First checks

• Check timing belt age and condition
• Inspect VVT-i actuator noise
• Check engine mount condition

Antes de cambiar piezas

• 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

• The 2002 Lexus LS430 was a major refresh launching the second generation LS, globally available in multiple markets including USA, Europe, Japan, and Australia.
• Engine and specific equipment can vary slightly by market, but all 2002 models used the 1UZ-FE V8 engine with VVT-i; the higher displacement 3UZ-FE started appearing in 2003.