Got a '05 Sport CRD which has the GDE Hot tune and TCM tune, the libby would hustle. I put on some grabber at2 that are 10 ply 235/70r16, and i noticed a slight decrease in power, which was expected. Now, (1 yr since the tires) the jeep takes about 20sec to start, has a rough idle, when you romp on the go pedal it bogs out like it is flooded up to about 1700-2400 rpm, at which it clears out. While driving the acceleration is lower than before (6 months ago), seems to require more rpms to accel. At a full stop, decent accel arrives around 2100rpm before it feels like it is "on pipe", tried to do a power brake burnout and it took close to 30secs before it would start to break the rear end loose. I checked for vacuum for the turbo vain controller, no fuel leaks, do not know if it has a v1 or v2 fuel filter head, has a lift pump, I did the EHM. I checked the play on the intake side of the turbo of the vane shaft and am getting a "click" on the pull and a "click" when pushing the shaft. What should i check, how to check?
Thanks

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2005 Liberty CRD sport
FrankenLift with JPA's UCA
Moab wheels with General Grabber AT2 tires
Bull nose push bar with KC Daylighters
Mopar light bar
Cobra anniversary CB
full skids
GDE Hot tune & GDE TCM tune
Euro TC

Have you changed/checked your fuel filter and air filter?

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05 CRD Limited
GDE Hot Tune
Samco CAC Hoses
OME 790 and Bilstein 916 up front
OME 948 and OME N132L in rear
245/75/16 Treadwright Warden A/T on Richard Cepek DC-2
Euro torque converter
Renegade roof lights
Pioneer Z110bt double din navi w/ reverse cam

Check Sam's NOOB guide if you have not already done so and even if you have take a look at the fuel head bleeding video for a picture of the old vs. new OEM fuel filter heads.

In addition to dirty fuel filter and/or air in the fuel lines I'd take a look for a dirty air filter, possible rip in air filter box to turbo hose down by the turbo, problems in the turbo>intercooler>engine hoses which have to be carefully inspected for holes/tears/soft spots OFF the vehicle especially on the bottom side unless you have Samcos or 2 gen OEM, and MAP sensor may need cleaning - for starters.

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Sold to LOST member my 05 Ltd, GDE Stg II turbo + TCM tune, SunCoast TC w. Transgo kit, Steiger window regulators, Samcos, Fumoto valve, 2nd gen filter head with Lub. Spec. bleeder, Hayden clutch & 11 blade fan, inverted spare, P-1 battery, BF Goodrich Long Trail TAs, Etecno1 glow plugs, timing belt at 50K miles/8 yrs