The 2.2L engine designation is the sixth digit of the vehicle identification number (VIN). It is important to always first identify the engine before
beginning diagnosis and servicing. Body type and transmission type, as well as the model year, are also information pertinent to engine diagnosis
and servicing. This information is available from the VIN and the appropriate service manual. The engine serial number is located on the machined boss on the left side of the clutch housing. The 2.2L engine designation is EJ22. Piston and bearing dimension information is stamped on a machined surface where the crankcase halves meet.  Read more...