NHTSA Complaint #10523841 — 2012 FORD F-150

I HAD THE TSB (FOR KNOWN SURGING ISSUE) PERFORMED ON MY TRUCK (2012 SUPER CREW 4X4) IN MAY AT 25K MILES. EVERYTHING SEEMED BETTER, UNTIL... THIS PAST SATURDAY, I LEFT THE HOUSE AT 5AM FOR A 7.5 HOUR/ 350 MILE DRIVE FROM HOME. IT WAS RAINING CONTINUOUSLY FOR THE FIRST TWO HOURS. SOMETIMES HARD RAIN, BUT IT DIDN'T STOP FOR THE FIRST 2 HOURS. I WAS DRIVING BACK COUNTRY ROADS WITH MOSTLY 55 MPH LIMITS AND ROLLING HILLS. GIVEN THE WEATHER, TYPE OF ROADS, TIME OF DAY, ETC. I DROVE GENTLY FOR THE TRIP, NEVER PUT MY FOOT IN IT. THEN, WHEN GOING UP A STEEPER HILL THAT REQUIRED MORE THROTTLE THAN THE OTHERS TO KEEP MY SPEED UP, THE TRUCK STARTED HESITATING. A LOT. MORE THAN IT EVER HAD BEFORE THE TSB. AND THEN, JUST AFTER THE HESITATION BEGAN, SOMETHING EXTRA OCCURRED THAT HAD NEVER HAPPENED TO IT BEFORE. THE TRUCK STARTED TO SHUDDER. THIS SHUDDERING WAS AKIN TO DRIVING OVER ROAD SHOULDER RUMBLE STRIPS ON STEROIDS. AS SOON AS I LET OFF THE GAS, THE SHUDDERING STOPPED. I GENTLY PUSHED THE PEDAL, SHUDDERING WAS BACK AND JUST AS BAD. LET OFF AGAIN. IT STOPPED. PUSHED THE PEDAL AGAIN. IT CAME BACK. PUSHED THE THROTTLE ONCE MORE, AND IT HAD STOPPED. I SLOWLY PUSHED FURTHER ON THE THROTTLE AND IT DIDN'T DO IT ANY LONGER. BY THIS TIME I WAS DOWN TO ABOUT 35-40 MPH GOING UP THE HILL. SO I PUSHED DOWN THE PEDAL ALMOST TO THE FLOOR. THE TRUCK KICKED DOWN AND ACCELERATED WITH ONLY SLIGHT MOMENTS OF HESITATION. NOT ONCE DID THE CHECK ENGINE LIGHT COME ON. . THUS, I HAD A TEXTBOOK CASE OF EXACTLY WHAT THE TSB WAS SUPPOSED TO SOLVE, BUT DIDN'T. *TR