Low power (MIL works OK, no DTCs set)
Diagnostic procedure
  1. Test the fuel pressure.
  2. Check the air cleaner element.
  3. Test the throttle body.
  4. Except KE, KG, KR models: Inspect the three way catalytic converter (TWC).
  5. Except KE, KG, KR models: Test the injectors.
  6. Troubleshoot the VTEC system oil pressure.
Also check for
  • Fuel contamination
  • Low compression
  • Camshaft timing
  • Engine oil level