Fill it up again Dummy
Join Date: Sep 2012
Location: Central Valley, California
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Odds are it's a injector issue possibly a weak ficm but not always especially when lifted.
Take a close look at the carrier bearing rubber isolator, if you pull on the driveline sideways and it's moving around that's your problem. Take a look at the U/Joints as well, my truck needed carrier and U/Joints at 60K miles and engine is stock and I don't push it hard at all. When the truck has been lifted and you run big tires 36" or larger the driveline is under a huge load and it will wear out much sooner than in a stock configuration.
Check that first, usually you should have a shudder when accelerating away from a stop when the carrier bearing is hopping around in the frame. It will also shake when at highway speed under light to moderate acceleration,full throttle will usually pin the brg to one side from thrust and will shake again when letting off throttle.
Good Luck with it..............Around $100.00 will do all 3 u/j,s and carrier w/ domestic parts.
2006 F250 LARIAT CCSB 4X4: Edge CS2, ARP Studs, O-Ringed Heads, X4 PHP 65 HP Custom Tow Tune, Atlas40 Ficm Tune, CAT EC-1 Coolant, IPR Coolant filter, Fass-125, turbo-back SS 4" pipe, Corsa muffler, 6.4 Banjo's, 6.4 starter,DC Power 270 amp alt, 2/0 cables, Die Hard Platinum AGM, 7" lift w: Icon Progressive Coil Springs, 2008^ Carli/Deaver rear springs on fatty-daddy 38/15.50/18 Toyo's