Ford Edge engine ticking sound resembling a diesel, possibly valve tapping on Ford Edge

Some Ford Edge owners report experiencing a ticking sound from the engine that resembles a diesel engine, which could be attributed to several factors. These owners have noted that valve clearance issues may lead to a ticking or rattling noise, particularly at idle, if the clearance between the valves and their components becomes too tight or too loose. Additionally, low oil pressure or insufficient engine oil levels are commonly reported causes of such ticking noises, emphasizing the importance of maintaining proper oil levels and pressure. Some owners also mention that exhaust leaks, resulting from blown gaskets, loose manifold bolts, or cracked exhaust manifolds, can contribute to the ticking sound, especially if accompanied by exhaust smells in the engine compartment. Furthermore, first-time users of Gasoline Direct Injection (GDI) engines may find that the normal operation of these engines can produce sounds similar to those of diesel engines at startup and idle. It is recommended that owners have a professional mechanic inspect their vehicle to diagnose and resolve the specific cause of the ticking noise.