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.Google+
Car Problem Reports
Plymouth Neon Failure in Spark Plug Tube Seals May Cause Misfire and Poor Fuel Economy
Plymouth Neon Problem
Engine Affected: 2.0L 4 Cylinder, SOHC
Average Mileage: 123,060 mi (42,333 mi - 200,000 mi)
Visitor, 1997 Plymouth Neon, 103,333 mi
No solution yet I need help with fixing this
Visitor, 1998 Plymouth Neon, 2.0L 4 Cylinder, SOHC, 109,000 mi
Avery cheap and easy fix sparkplug tube seals are about $3.00 each. change valve cover gasket if needed. about $13.00. takes an hour to do both.
Visitor, 1997 Plymouth Neon, 120,000 mi
rough idle, very poor fuel mileage, oil in spark plug tube
Visitor, 1999 Plymouth Neon, 65,000 mi
My car has been leaking oil and oil has been filling up in the spark plug holes. Mostly in #4.
Visitor, 1997 Plymouth Neon
Seals did not keep oil from pooling inside spark plug tubes
oil leak inspark down on 2 plugs
I just replaced my spark plugs... plug #4 was covered in oil..
Visitor, 1997 Plymouth Neon, 2.0L 4 Cylinder, SOHC, 42,333 mi
Oil in Cylinder 4! just bought the car nov. 11 2010 with only 42,000 miles.
Visitor, 1996 Plymouth Neon, 2.0L 4 Cylinder, SOHC, 170,000 mi
Spark plug wells full of oil, have to change often.