So over the last week, the Jeep has thrown 3 check engine lights. The first time was P0123 and resolved by a dealer cleaning of the injectors, throttle body, and engine decarbon. The premise was there was excessive carbon build up in the idle chambers and would stall out, but after the cleaning it ran alot smoother. Day or two later i get a CEL. Open the hood and find the vacuum line to the air resonator disconnected when they did the cleaning. Popped it back in and check engine light goes away that afternoon. Fine no biggie, easy fix. Today on the way home i get my third check engine light. I was turning and it got "stuck" in second right as the Check engine went on. I had let off the gas a bit thinking the torque converter got locked up or something but surprisingly a minute later, the trans starts shifting normally and no problems for the remaining 10 minutes home. CEL is still on.

Any ideas for this? Before that first CEL i have had no problems with it and don't drive excessively hard. Seems like its been an intermittent problem when the CEL comes on

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02 LIberty Renegade
OME/Bilstein
JBA Gen4.5
IRO 3 Linked
245/75 Duratracs