OUR DODGE RAM 3500 TRUCK RUNS GREAT UNTIL IT HAS AROUND 1/4 TO 1/3 TANK LEFT. IT THEN RUNS TERRIBLE - VERY LITTLE POWER, BACKFIRES, WILL NOT MAINTAIN SPEEDS ON GRADES. AFTER FILLING TANK, ALL IS FINE AGAIN. HELP!
Jan 25, 2008 at 4:11 PM