2015 Ford Focus ST/ Engine light P Code malfunction. Diagnostic Ford engineers working to fix this problem. Its has been almost 3 years with solution. I've been informed 2015-2017 Ford Focus St nation wide have this problem with the P codes with engine light coming on and has to be reset by the dealer. Note Cold starts light comes/misfire not happening its a Malfunction. Waiting for Ford to recall and fix the malfunction and the wait continues and the P codes still malfunction.