I test drove a 2006 crd and when taking off there was a hesitation or severe lack of power until the turbo kicked in. Also there was no indication on the dash when I tried to turn off the overdrive. Any ideas what could be the problem?

Too hard to tell.
You would need to hook up a code scanner to get more details.
I suspect its a transmission problem and the TCM is stuck in limp mode, but really, it could be anything.

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U.S. Army Retired

It might be temperature related. My 2006 doesn't accelerate as well before hitting the 1/4 mark on the temp gauge. It became more noticeable after the GDE tune too.

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2006 CRD Limited
SEGR Mod
Saikou Michi Condenser -- Deleted
Samco Hose Kit
Fumoto 102
Etecno1 GX3123 Steel 7V Glow Plugs
GDE FT Eco and Hot Tunes
JBA 4.5 UCAs
OME Lift

x2 on warm up required.

Make sure that once its warmed up, the temp gauge goes at least to just a tick left of straight up. If it doesn't you likely will need a new thermostat soon. subtract at least $200 from the price (Thermostat is not cheap).

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2005 CRD "Ol' Blue"
Red Ryder carbine-action, two hundred shot range model air rifle with a compass in the stock and this thing which tells time.
My build page- RL Komodo Rear and TJM Front Bumper, armored, lifted, JBA Steel D30, 4.10s and ARB air lockers.

If the codes don't give you a clue, you will need to do some research and read up.
Chances are that if it has not been fitted with a Lift Pump, it may have air in the fuel system.
I have done a lot of mods over the years and mine takes off with a light touch on the accelerator.
Others who have made the mods have the same results.
There is a lot of Bean Counter Engineering that needs to be undone.
If you don't want to spend the money and do the work, settle for the de-tuned stock.

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2006 Pearl Green CRD
Magnaflow 2 1/2" Cat Back
KJ Extra Leg Room Brackets, Carter Lift Pump, V6 Airbox, ORM
Fuel cooler, Oil Separator, Progard 7
Gauges EGT Boost Trans Temp Oil Pres, Michelin LXT AT2 245 70 R16
7,000# Draw Tight hitch, PML EX Deep Trans Pan
Centrifuge, SunCoast, Transgo, RAM TCM, InMotion Stage 2
Wife's 99 TDI VW Beetle

Mine is doing this exact same thing. It feels like it has not power so you really get on the gas, and then the turbo spools and you take off like a rocket. Where did u test drive it?

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2006 CRD - GTB2056 turbo by Dieselguy86, Eco Trans Tune, Lift Pump, Week's, HDS Tstat, Racor Filter, ARP's, OME 790's+Top Plate, JBA 2.5", JBA UCA, Moab's+265/75R16, ARB Bull Bar, 4.10's, TrueTracs