Affected Component: ENGINE AND ENGINE COOLING:EXHAUST SYSTEM

Date Published
APR 22, 2013
NHTSA TSB #
10112995
TSB Document
Summary
This Preliminary Information communication provides information to the technician of additional information while diagnosing a diagnostic trouble code P0420. Check for a possible leak in the exhaust system behind the bank one number 2 oxygen sensor. If a leak is found or there is an aftermarket utility bed or trailer hitch installed. Check for a minimum clearance of 1.5 to 2 inches of the exhaust system.