Valve seats (components in the cylinder head that help seal the valve) can fall out. When this happens, it causes rough running and creates noise. Replacement of the cylinder head is commonly required to fix this problem.
Average mileage: 158,424 (104,000–266,500)
Engines affected: 1.9L 4 Cylinder, 2.0L 4 Cylinder, 2.0L 4 Cylinder SOHC
27 people reported this problem