Had a fuel induction service/intake valves cleaned on the 13 Sonata 2.4L DI

Go big and get the walnut service done or don't bother. No chemical is really going to make a dent in all that carbon. If I ever buy a GDI engine vehicle it will most likely be a Ford(not really) or Toyota. Only a fool would by a GDI engined vehicle without port injection also to keep the carbon at bay. Toyota and Ford are the only ones right now building them that way. Shame on all the other manufacturers for not doing
so already.
 
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