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.
Car Problem Reports
Plymouth Breeze Failure in Spark Plug Tube Seals May Cause Misfire and Poor Fuel Economy
Plymouth Breeze Problem
Engines Affected: 2.0L 4 Cylinder, 2.4L 4 Cylinder
Average Mileage: 105,120 mi (90,000 mi - 120,000 mi)
Visitor, 1997 Plymouth Breeze, 2.0L 4 Cylinder, 90,000 mi
Still exists at 142,000 miles. Simply replaced plugs/wires twice previously and the car runs great.
Visitor, 1999 Plymouth Breeze, 2.4L 4 Cylinder, 120,000 mi
(Valve cover gasket and two o-ring seals) Oil in two spark plugs driver's side! Noticeable when car is heading downhill!
Visitor, 2000 Plymouth Breeze, 2.4L 4 Cylinder, 96,600 mi
oil in 2nd spark plug tube.....
Leaking spark plug tubes
Visitor, 2000 Plymouth Breeze, 2.4L 4 Cylinder, 99,000 mi
oil in left two spark plug tubes