2018 LEXUS IS 8AR-FTS/8GR-FXS (XE30)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Turbo lag in 2.0t engine noted by some users
• Occasional hybrid inverter faults reported in high mileage units

First checks

• Inspect turbocharger system on 2.0t
• Check hybrid battery health in IS 300h
• Look for oil leaks around valve cover gasket

Vor dem Teiletausch

• 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

• Market-specific engine and transmission variations exist between North America, Europe, and Asia.
• Hybrid versions primarily sold in Japan, North America, and select Asian markets.