Ok, so I got my Liberty back in August, ran fine for a few Weeks, but then I thought I was Feeling the Converter Shuddering, but it was very light, and wasn't sure if it was just the Bumps in the Road.

Well Today, it Shuddered like Hell when I got Off the Off Ramp and got back up to Speed. Was like it didn't know what Gear it wanted or was getting Hung Up.

So that means the Converter is Shot right, and I need to get the Euro or Suncoast?

BTW, don't tell me to take it to the Dealer. They are WORTHLESS and can't stand the Fact that I know more about Vehicles than they do. Even if I bring them the TSB's and Paperwork on what needs to be done and how to do, they still won't.

It already had some Internal Trans. Work done on it too, I just forget what. I looked it up on Jeep's Site with the VIN Search thing.

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'06 KJ CRD-Philips Xtreme Power Headlights/Philips Night Guide 9005 Fogs/Amsoil Air Filter/Swiss Cheesed Airbox/Magnaflow Exhaust/TS MP-8/Gutted Cat.

Need more info. Can you describe the shudder? Could be air in the fuel.

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06 LIMITED 100000miles, MAGNAFLOW, HOMEBUILT CCV FILTER, POLAR PAD, 02 AIRBOX, CUMMINS LIFT PUMP, SEGR, PILLAR GAUGE POD, CAT FILTER MONITOR, SPYDER TRAX, ALWAYS A LITTLE TWO STROKE OIL OR BIO, WATER/METH INJECTION

Took the Off Ramp, when I Straightened Out, gave it Gas to Speed Up, drive fine, got up to a lil over 60mph, let off Throttle to Maintain Speed, and it Started to Shudder.

Had to let Off the Gas, and it went away, then I got back into it, and it Drove fine.

...but sometimes it does Crank for a lil too long IMO before it Starts.

I Checked the Heater Plug too, and it's not Wet, Burnt, ect...

Truck just Clicked over 15k Miles the other Day too.

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'06 KJ CRD-Philips Xtreme Power Headlights/Philips Night Guide 9005 Fogs/Amsoil Air Filter/Swiss Cheesed Airbox/Magnaflow Exhaust/TS MP-8/Gutted Cat.

I'll bet it's air in the fuel, pump up the primer and open the bleed screw, thats the place to start.

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06 LIMITED 100000miles, MAGNAFLOW, HOMEBUILT CCV FILTER, POLAR PAD, 02 AIRBOX, CUMMINS LIFT PUMP, SEGR, PILLAR GAUGE POD, CAT FILTER MONITOR, SPYDER TRAX, ALWAYS A LITTLE TWO STROKE OIL OR BIO, WATER/METH INJECTION

X2 Mine did it the day I bought it in less then 1/2 mile from the dealer Some deny the problem. Others say it's the fuel head. But in my case I think it's the connections O ring connectors by the tank My probblem was solved with a intank lift pump

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Atlantic Blue 06 CRD Limited (his)
Joined by a 2000 XJ Classic (hers)

X3 - you described the symptoms of air in fuel perfectly. Mine did this from day 1 but of course the 3 dealers I took it to could not reproduce despite being given very detailed instructions . It persisted until I changed the fuel filter and it is now fine. I suspect the WIF sensor was not installed on the original filter tight enough.

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Share your ideas freely at https://www.facebook.com/groups/libertydiesels/

Air in fuel X4. Probably time to install a new filter anyway.

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Manure green 2005 CRD sport4x4, GDE Hot tune, Cat Gut, OE skids, Draw tight hitch, Duramax lift pump, 160K on multiple varieties of fuel, XM radio, Escort live with Redline, fog light mod, GPS, Icom IC7000 all band radio call sign KC9QPF, Grabber AT2s on Soft 8s, FIA grill blanket.

A lift pump is the only thing that cured mine.

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06 LIMITED 100000miles, MAGNAFLOW, HOMEBUILT CCV FILTER, POLAR PAD, 02 AIRBOX, CUMMINS LIFT PUMP, SEGR, PILLAR GAUGE POD, CAT FILTER MONITOR, SPYDER TRAX, ALWAYS A LITTLE TWO STROKE OIL OR BIO, WATER/METH INJECTION

It's got a New Filter. I Changed it August when I bought the Truck.

I'll get a Lift Pump soon and get that in there and see if it Fixes the Problem.

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'06 KJ CRD-Philips Xtreme Power Headlights/Philips Night Guide 9005 Fogs/Amsoil Air Filter/Swiss Cheesed Airbox/Magnaflow Exhaust/TS MP-8/Gutted Cat.