mine did the same thing 3-4 months ago,i got a cleaning disc and it helped, you've got nothing to lose by going into the setup/diagnostic's screen,and doing a memory dump and trying to re-load the disc to re-program it
they seem to be way to short duration,and poor lifts,,Ive tryed them and couldn't get any real power,and gas mileage sucked,remember your 50-100 cubes more then stock,,best combo was
1.454 2 or 4bolt block [2 bolt blocks work great on the street]
2.open chamber oval port heads,with real mild...
you can put a 1/4'' stroke in it ,you'll get 496'' ,just don't put an ''RV'' cam in it,, try a LS6-LS7-L88 cam with the bigger cube's you can get away with these cams,, Ive built 496 strokers for the trucks to haul these big boats around for years ,with a good set of aluminum heads you can get...
I'm finally getting the 3 598'' motors in my boat,got the first one in today only took 3 guys 2 hrs ,,now 2 to go,then 3 sets of headers to go and wiring,then I'm done
i just saw my left/drivers side mirror cap is missing[these are the factory tow mirrors[ ,it goes inbetween the 2 arms that go from the door out to the mirror head, and its black plastic with a pebble finish and about 2''x3'' and curved in shape and snaps on,, anybody know were i can get one?
has anybody replaced one of these,they go in the hydrobooster in between the mastercyl and booster,[i think it goes on top with the silver screw on cap],i think this is whats wrong on a customers truck,this is what gm recalled in -03-04-05,[customers is 06],symtoms are
1.p/s pump whines and...