Over time and mileage, the factory-installed catalyst may not perform as required

Bulletin number

Circular26M4REV4

Component

Engine and engine cooling

Summary

Over time and mileage, the factory-installed catalyst may not perform as required. If the effectiveness of the catalyst is reduced, this may result in increased tailpipe emissions and the vehicle could fail an emissions (IM) inspection. Updated claiming instructions, part information and work instructions with latest catalyst information. Removed part ordering restrictions.

Owners of these vehicles have filed 103 complaints in the engine category.