Join Date: Jan 2010
Location: Cypress, TX
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I Cant Figure this out
Cant quite figure out what the issue is here.
I have an 06 f250 with 140k on it. The truck will start fine and idles smooth regardless of how cold it is. In the morning, even after I let the truck idle for about ten minutes, there is just no power for the first two or three minutes of driving. After that, I can get it up to speed but it just seems like it is missing. Once it is warmed up, it has a hesitation, almost like a gasser would if it had a misfire while I am accelerating. Once it is up to highway speeds it runs fine. My fuel mileage seems to be about the same as it always has, I have no smoke of any kind, my degas bottle is full, no puke or loss of coolant anywhere I can see. Fuel Filters changed 1500 miles ago, Oil and Filter changed at the same time, and egr valve cleaned as well. The inside of the intake was dry when I cleaned the valve. No codes of any kind. Ran an Injector buzz test both cold and hot, everything tested ok. Tested the FICM voltage both cold and hot, and voltage was 48.2.
Another problem I am having is when I leave a stop. I begin to accelerate and immediatly feel a thump from the middle of the vehicle. That is the only time I feel it is when I leave a stop.
I have been reading so many posts on here, and just cant seem to find anyone who has had or is having the same problems. Any help would be greatly appreciated.