Codes P0302 and P0219B, extremely rough idle?

2013 DODGE GRAND CARAVAN
155,000 MILES • 6 CYL • 2WD • AUTOMATIC
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OLIVERERIC423
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We just recently bought this car from a dealership. Ever since we’ve bought it when stopping at a red light or stop sign, it sputtered and would occasionally cut off. We recently got the o2 sensors replaced and just a few days later we got the codes P0302 and P0219B. The sputtering hasn’t really changed while idling, but it has seemed to have started to shudder slightly while driving. What could be causing this?
Aug 30, 2022 at 8:34 AM
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STRAILER
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The P0302 code is the clue, it is telling you the #2 cylinder is having a problem. I would start with a full tune up including the spark plugs and servicing the throttle body.

Here is a guide and instructions below on how to do the job or see what needs to be done:

3.6L V-6 Spark plug - RER8ZWYCB4, gap 1.1 mm (.043 in.)

https://www.2carpros.com/articles/how-to-tune-up-a-car-engine

and

https://youtu.be/CE7bM8_j4Zg

and

https://youtu.be/Ui8zhMLp5EM

Use all OEM parts please. Check out the diagrams (below). Please let us know what happens.
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Aug 30, 2022 at 11:58 AM