As stated p0455 code was read. dealer performed evap and smoke test. Wiring was checked connectors f09 and ef11 were good and ground from pcm all good. checked voltage at the ftp sensor found it had correct voltage. Dealer had car for week and even drove it for 60 miles, said it was okay picked up car Thursday and light came back on saturday morning. Car does not give a indication when light comes on it drives fine. 2013 kia optima sxl. Dealership is good gave me a loaner car and I have been talking back and forth with Kia Consumer Affairs. This will be the 3rd time.
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