Cause to be concerned? Some black smoke after changes.

105,000 miles. 2006.

I was running the GDE full-torque eco tune prior with no noticeable smoke. I recently got an engine light telling me that I had a bad glow plug. I upgraded to the new 5 volt system glow plugs, and while doing that I cleaned the map sensor, upgraded to the GDE hot tune, cleaned out the intake pipe of gunk (assuming it developed from before I had the first eco-tune approx 40k miles ago). Now, engine light is off (I cleared it with the computer I got from GDE), jeep runs great, but I am getting some black smoke under hard acceleration. Is this just cleaning crap out or what else might it be?

Thanks!

I think at 100K our cats quit working, just a thought?

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2006 Black Jeep Liberty CRD Limited
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very normal with hot tune.. you will get smoke at wot or very hard acceleration depending on wat gear your in.

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06 cummins 3500 many mods 600+hp

Some smoke with the hot tune is normal at full throttle.

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bebey - unrelated to smoke but a reminder it's timing belt time if you have not already done it.

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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

Thank you all! Yup, did timing belt already but appreciate reminder.