2012 LEXUS IS 2GR-FSE/4GR-FSE (XE20)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Oil consumption in high mileage 2GR-FSE engines
• Water pump bearing wear
• Carbon buildup on direct injection engines

First checks

• Verify engine oil quality and level
• Inspect timing chain noise
• Check for recalls or software updates in the market

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 2012 Lexus IS is part of the second generation XE20 facelifted in 2010; engine offerings vary by region.
• Japan and some Asian markets had unique 2.5L inline-6 (4GR-FSE) variants, not sold widely elsewhere.