DTC P0496: EVAP System High Purge Flow

WARNING: This page is about a different car, the 2006 Acura MDX, 2005 Acura MDX, 2004 Acura MDX, and 2003 Acura MDX. 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 the general troubleshooting information (see 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 PCM.
2. NO - Go to step 4.
Turn the ignition switch OFF.
Replace the EVAP canister purge valve (see EVAP CANISTER PURGE VALVE REPLACEMENT ).
Turn the ignition switch ON (II).
Reset the PCM with the HDS.
Do the PCM idle learn procedure (see PCM 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 at the EVAP canister vent shut valve and the PCM, then go to step 1.