Q: why does my vehicle idle rough on 2002 Chrysler Town & Country

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I have replaced the plugs, plug wires and the coil pack. I recently had the transmission replaced and the vehicle seemed to idle rough after the transmission was put in. The repair shop says it is "running strong." It runs down the road fine. It idles rough when it is cold or hot. Any ideas?
(1) Answer
If rough idle developed after Transmission Repairs were performed and other possibilities have been inspected, I would suspect a defective Torque Converter. It could be out of Balance creating vibration. Misaligned , Broken, Damaged Engine/ Transmission mounts could also cause a rough idle/ Vibration. I would suggest taking vehicle back to your local Repair Shop for further Inspection.
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