2018 SUBARU WRX FB16/FA20DIT (VA)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Turbocharger wastegate rattling on early models
• Oil consumption reported in some FA20DIT engines

First checks

• Check turbocharger operation and wastegate condition
• Inspect timing chain tension and oil level frequently

Before replacing parts

• 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 FA20DIT engine is a direct-injection boxer turbo designed for balance between power and fuel efficiency.
• Fuel octane recommendations and emissions equipment vary by market.
• The FB16 engine is less common and generally available in select markets as a lower-powered variant.