Some 2013-2019 Explorer vehicles equipped with a 3.5L twin independent variable camshaft timing (Ti-VCT) engine may exhibit an illuminated malfunction indicator lamp (MIL) with diagnostic trouble codes (DTCs) P013A and/or P013C stored in the powertrain control module (PCM). This may be due to an improperly welded exhaust Y-pipe. To correct the condition, follow the Service Procedure to replace the exhaust Y-pipe. Follow the Service Procedure to correct the condition on vehicles that meet all of the following criteria: *2013-2019 Explorer *3.5L Ti-VCT engine *Illuminated MIL with only DTCs P013A and/or P013C
