Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Date Published
FEB 07, 2014
NHTSA TSB #
10111909
TSB Document
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.