I could'nt get that web site to open. i have hyundai sonata 2011. I bought a engine from 2015 sonata. its 2.4 like the other one. but the check engine light keeps coming on. # P0014. anyone no whats differentThat`s because you are not doing the re-set properly!......the object is NOT to give the ECU time to learn, but to ENFORCE more aggressive timing /fuelling curves.
See the following write-up from the U.K. Hyundai Coupe Club :-