A video would help. No, don't flush the engine. Please don't ever do that. If you feel the need to do something, I'd suggest doing a short oil change. After about 500-3000 miles change the oil and filter, right after an Italian tune up. This might get out a bit more build up and get fresh detergents in. Beyond that I recommend 5k oil changes with Dexos 1 rated oil and Oem (10k rated) oil filters.
On the 1.4L engines the fuel injectors are loud, it is common to think the ticking is a problem.
On the 1.4L engines the fuel injectors are loud, it is common to think the ticking is a problem.