i have a 2001 chevy pk/up with a 5.3 v-8 gas mpsf injected engine with automatic trans. with133577 miles on it the problem is this .when starting eng.in the morning it takes 3 to 4 cranks to get it started it use to crank on the first try. i was wondering if the fuel pressure reg. might be going out?i changed the fuel filter and air filter today but it didnt solve the problem it seems that when the trk.sets for awile the same problem returns.i am a mechanic by trade but not up on current issues with mpsf injection any ideals woud be appreciated.
Oct 13, 2007 at 7:34 AM