Engine Identification
WARNING: This page is about a different car, the 1995 Jeep Wrangler and 1994 Jeep Wrangler. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
For engine repair procedures not covered in this article, see ENGINE OVERHAUL PROCEDURES - GENERAL INFORMATION
article in the GENERAL INFORMATION section.
Engine can be identified by eighth character of Vehicle Identification Number (VIN). The VIN is stamped on a plate attached to top left corner of instrument panel.
Engine code is on a machined surface on right side of cylinder block between cylinders No. 3 and 4. This code may be required when ordering replacement parts.
ENGINE IDENTIFICATION CODES
| Application | VIN Code |
|---|---|
| 2.5L 4-Cylinder PFI | P |
Some engines are manufactured with oversize or undersize components. These engines are identified by a letter code stamped on oil filter boss near distributor. Letters are decoded as follows:
- "B" indicates all cylinder bores .010" (.25 mm) oversize.
- "C" indicates all camshaft bearing bores .010" (.25 mm) oversize.
- "M" indicates all main bearing journals .010" (.25 mm) undersize.
- "P" indicates one or more connecting rod journals .010" (.25 mm) undersize.
- "PM" indicates all crankshaft main bearing journals and one or more connecting rod journals .010" (.25 mm) undersize.