Affected Component: FUEL SYSTEM, GASOLINE:FUEL INJECTION SYSTEM

Date Published
MAR 16, 2018
NHTSA TSB #
10133022
TSB Document
Summary
Service bulletin - The MIL is on and DTC P0420 (catalyst system efficiency below threshold) is set. Faulty fuel injectors in one or more cylinders may be affecting combustion and causing a false DTC P0420.