DTC P0496: EVAP System High Purge Flow

WARNING: This page is about a different car, the 2009 Honda S2000, 2008 Honda S2000, 2007 Honda S2000, and 2006 Honda S2000. However, it is still accessible from the selected car via links, so may be relevant.

NOTE: Before you troubleshoot, record all freeze data and any on-board snapshot, and review GENERAL TROUBLESHOOTING INFORMATION ).

Turn the ignition switch ON (II).
Clear the DTC with the HDS.
Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
Is the result OK?
1. YES - Intermittent failure, system is OK at this time. Check for poor connections or loose terminals at the FTP sensor, the EVAP canister purge valve, or the EVAP canister vent shut valve and the ECM.
2. NO - Go to step 4.
Turn the ignition switch OFF.
Replace the EVAP canister purge valve (see FTP SENSOR REPLACEMENT ).
Turn the ignition switch ON (II).
Reset the ECM with the HDS.
Do ECM IDLE LEARN PROCEDURE .
Do the EVAP FUNCTION TEST in the INSPECTION MENU with the HDS.
Is the result OK?
1. YES - Troubleshooting is complete.
2. NO - Check for poor connections or loose terminals at the FTP sensor, the EVAP canister purge valve, or the EVAP canister vent shut valve and the ECM, then go to step 1.