2018 Acura RDX K23A1 (TB1/2)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Turbocharger wastegate rattle reported in some early 2018 models
• Carbon buildup in intake system under extended use

First checks

• Check turbocharger boost and wastegate operation
• Inspect intake manifold and PCV system for deposits

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 2018 RDX introduced the new 2.3L turbo inline-4 replacing the previous V6 in North America and key markets.
• Some markets like China received a detuned version due to fuel octane ratings and local regulations.
• No official manual transmission was offered globally in 2018 RDX.