2003 Acura RSX Base, AutomaticFACTORY OEM SERVICE PROCEDURE

EVAP Leak Monitor Code

NOTE:
  • When negative battery cable is disconnected, all readiness codes are cleared.
  • When ECM/PCM is cleared with scan tool, all readiness codes are cleared.
  • If engine is stopped between steps  6 and  16 , do engine procedure again.
  1. Ensure fuel level is between 60 and 90 percent of fuel tank capacity (not full).
  2. Turn ignition switch off.
  3. Let vehicle set for more than 8 hours.
  4. Ensure outside temperature is 20-95°F (-7-35°C)
  5. Connect scan tool to DLC.
  6. Start engine and drive for about 20 minutes.
  7. Maintain vehicle at steady speed between 50 and 70 MPH, without moving accelerator pedal, for about one minute.
  8. Stop vehicle, engine running.
  9. Repeat steps  7 and  8 two more times.
  10. Check for readiness code with scan tool. If readiness code is not complete go to next step.
  11. When ambient temperature is less than 32°F (0°C), hold engine speed at 3,000 RPM with no load (in park or neutral) until radiator fan comes on.
  12. When ambient temperature is more than 86°F (30°C), remove fuel fill cap, then reinstall.
  13. Drive for about 20 minutes on highway.
  14. Maintain vehicle at steady speed between 50 and 70 MPH, without moving accelerator pedal, for about one minute.
  15. Stop vehicle, engine running.
  16. Repeat steps  14 and  15 two more times.
  17. Check for readiness code with scan tool.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.

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