1.6L ENGINE – ILLUMINATED MALFUNCTION INDICATOR LAMP (MIL) – DTC P0420 FORD: 2011-2013 Fiesta 2011-2013 Fiesta vehicles equipped with a 1.6L engine may exhibit an illuminated MIL with diagnostic trouble code (DTC) P0420. SERVICE PROCEDURE Using Integrated Diagnostic System (IDS) tool or equivalent Scan Tool, check the catalyst monitor bank 1 oxygen … Read more
3.7L – DIAGNOSTIC TROUBLE CODE (DTC) P0420 AND/OR P0430 – BUILT ON OR BEFORE 10/27/2014 LINCOLN: 2013-2015 MKZ Some 2013-2015 MKZ vehicles equipped with a 3.7L engine and built on or before 10/27/2014 may exhibit an illuminated malfunction indicator lamp (MIL) with DTC P0420 and/or P0430. SERVICE PROCEDURE Connect the Ford Integrated … Read more
ROUGH IDLE OR MIL LAMP ON LINCOLN: 2003-2005 LS 2003-2005 Lincoln LS vehicles with 3.0L Duratec V6 engines may exhibit a no start, rough idle, or malfunction indicator lamp (MIL) on with diagnostic trouble codes (DTCs) P0171, P0174, P0173, P2195, P2197, P0420, P0301, P0302, P0303, P0304, P0305, P0306. This may be due … Read more