Possible Cause
- Fuel Tank Pressure (FTP) sensor malfunction.
- Purge Control Solenoid Valve (PCSV) malfunction.
- Canister Drain Cut Valve (CDCV) malfunction.
- Poor connection at CDCV, fuel tank pressure sensor or PCM.
- Short in CDCVwiring.
- Plugged Charcoal Canister.