2003 Acura Integra K20A1/K20A2 (DC5)

Engine identity

Oils and fluids

Service and parts data

Common and chronic problems

• Rear subframe corrosion (especially in cold climates)
• Premature clutch wear (manual transmission)

First checks

• Inspect rear subframe and control arm mounts for rust
• Check timing chain condition and tensioner noise

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 2003 Integra was sold primarily in North America and Japan; the North American model was a hatchback, while Japan had the sedan body style.
• Power figures vary by market and trim: base US versions had approx. 160 hp, Type R versions in Japan produced around 200 hp.