AFTER ABOUT 28,000-30,000 THE TRUCK WOULD SEVERELY BUCK/JERK/HOP WHEN TOWING A LOAD. THE PROBLEM OCCURS IN THIRD GEAR MOST COMMONLY. UPON ACCELERATION UP A HILL, THE TRUCK HAS AN EXTREME BUCK. THE RPMS RAISE AND LOWER UP TO 400 RPM. FORD HAS DETERMINED THIS ACTION TO BE NORMAL. THE ONLY WAY I HAVE FOND TO STOP THIS, IS TO …
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AFTER ABOUT 28,000-30,000 THE TRUCK WOULD SEVERELY BUCK/JERK/HOP WHEN TOWING A LOAD. THE PROBLEM OCCURS IN THIRD GEAR MOST COMMONLY. UPON ACCELERATION UP A HILL, THE TRUCK HAS AN EXTREME BUCK. THE RPMS RAISE AND LOWER UP TO 400 RPM. FORD HAS DETERMINED THIS ACTION TO BE NORMAL. THE ONLY WAY I HAVE FOND TO STOP THIS, IS TO LET ALL THE WAY OFF THE ACCELERATOR, AND THEN TRY AGAIN. THE TRUCK WILL THEN START THIS AGAIN, IN WHICH I HAVE TO LET OFF. ON A SAFETY CONCERN, THIS OCCURS ON MOST ENTRANCE RAMPS TO INTERSTATES, WHICH MAKES FOR A HAZARDOUS CONDITION TRYING TO MERGE INTO TRAFFIC, BECAUSE BASICALLY FORD IS TELLING ME NOT TO TRY TO ACCELERATE PAST SECOND GEAR UNTIL I AM NO LONGER HEADED UPHILL. FORDS FIRST SUGGESTION WAS THE TRAILER TYPE, WHICH HAD NO EFFECT (TSB 07-6-09), WHICH ONLY CONCERNED GOOSENECK TRAILERS. THE TRUCK ALSO DOES THIS ACTION WITH A BUMPER PULL TRAILER. I HAVE TAKEN THE TRUCK IN 11 TIMES SINCE JULY 2007, AND THE SERVICE MEN TELL ME THEY CAN FEEL IT, THERE IS A PROBLEM, BUT NO ONE KNOWS WHAT IT IS. FORD THEN CAME TO THE RESULT THIS WAS NORMAL FOR THAT TRUCK. AT 8000 MILES, THE TRUCK HAD A BAD INJECTOR, AFTER REPLACING THIS, THE DEALERSHIP "UPDATED THE COMPUTER." SINCE THAT TIME THE TRUCK HAS NOT HAD AS MUCH POWER AS WHEN I PURCHASED IT. THE SERVICEMAN TOLD ME SOMETIMES THESE UPDATES WILL CHANGE THE OUTPUT OF THE TRUCK, OR DECREASE THE POWER. THE TRUCK NOW HAS A LEAK IN THE REAREND, WHICH I BELIEVE TO BE A RESULT OF THE BUCKING AND JERKING FORD IS CALLING NORMAL. *TR
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