2004 Acura RSX K20A2/K20A (DC5)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Window regulator failure
• Oil consumption in high mileage
• Suspension wear

First checks

• Check for rust behind wheel arches and underbody
• Inspect timing chain noise
• Verify power steering fluid levels and leaks

Avant de remplacer des pièces

• 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

• 2004 was the first full model year for the Acura RSX replacing the RSX predecessor GS model.
• Market-dependent engines: North America received K20A2 with 160 hp; Japan's Integra Type R used the higher output K20A without the Acura badge.