SINCE IT HAS BEEN GETTING VERY COLD MY TRUCKS STARTS AND DIES A FEW TIMES AND WHEN IT STAYS RUNNING IT SPITS AND SPUTTERS AND A LOT OF WHITE SMOKE IT WILL NOT REV PAST 1400RPM. I HAVE REPLACED THE RETURN RUBBER LINE IT HAS A NEW OVERFLOW VALVE AND FUEL FILTER AND THE GRID HEATER IS WORKING AND I HAVE LOOKED ALL OVER FOR ANY SIGN OF A FUEL LEAK AND HAVEN'T FOUND ANYTHING? IT SEEMS LIKE THE FUEL MILEAGE HAS DROPPED FROM WHAT IT USE TO BE. DO YOU THINK THAT THE TIMING MAY HAVE SLIPPED? ANY OTHER SUGGESTIONS ARE WELCOME!!
