On the 2010 Honda CRV, P0497 and P145C codes are directly related. Both of these codes are pointing to the EVAP System low purge flow. The purge solenoid is used in the EVAP (emissions control/recovery) system. When your engine begins to run at regular speed, the EVAP system slowly allows fuel vapors to be released into your engine, which it will then burn like regular fuel. The flow of these fuel vapors is controlled by your canister purge valve. As a result, it will regulate when and how much of these vapors enter your engine so they can be cleanly burned. When DTC P0497 and P145C are stored at the same time, check for a poor connection, a blockage, or damage at the EVAP canister purge line between the EVAP canister purge valve and the EVAP canister, or check for a stuck closed EVAP Canister Purge Valve. Carefully inspect the electrical connector and wire harness for any loose, broken or damaged wires. If no problems are found, replace the EVAP Canister Purge Valve.
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