Engine Misfire Due to Oil in Spark Plug Tubes on Dodge Grand Caravan

Problem Description and Possible Solution

Spark plug tube seals fail, causing the tubes to fill with engine oil and the engine to misfire. As a result, the engine may run poorly and fuel economy can suffer.

Problem Data
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Average mileage: 157,000 (157,000–157,000)
Engines affected: 2.4L 4 Cylinder, 3.8L V6
2 model years affected: 1996, 1997
3 people reported this problem
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Misfiere detected 1 cyl