Engine and engine cooling: exhaust system

Bulletin number

PIP5180

Component

Engine and engine cooling: exhaust system

Summary

This Preliminary Information communication provides information to the technician about vehicles that have hard start, extended crank, or black smoke from the exhaust when starting. Technician will need to perform fuel quality test, spark test, and a compression test. Technician should also install a vacuum gauge prior to cold start and watch needle for signs of a sticking valve.

Owners of these vehicles have filed 5,098 complaints in the engine category.