Hmmm... I wonder how the new 2012 Ford Focus 2.0 GDI will cope?
^ Me too.
As for the "dirt" thingy well that's the job for the fuel filter. Ang inala-ala ko lang ay ang varnish deposit that Niky is saying above. Kailangan ang "Italian tune-up" eh matraffic naman, hindi makapag pabilis ng takbo