Some 2013-2018 Ford Police Interceptor Utility vehicles equipped with a 3.7L twin independent variable camshaft timing engine (Ti-VCT) may exhibit an illuminated MIL with DTC P0420 and/or P0430. The concern may involve replacing the right, left or both catalytic converters.
Using a scan tool, retrieve the DTCs. If P0420 and/or P0430 are the only DTCs stored in the PCM, replace the affected catalytic converter per the DTC. Note: If the vehicle was built on or before April 25, 2014, reprogram the PCM using the appropriate Ford scan tool release 90.02 or higher. Make sure that you are connected to the internet when entering module programming to obtain the latest updates.
PART..................................................................... P/N ................................. QTY
Exhaust manifold to cylinder head stud nut.......... W16011-S430................... .12
Exhaust manifold to cylinder head stud.................W712244-S300...................12
Y-pipe nut..............................................................W14265-S441....................... 8
Y-pipe to tail pipe gasket.......................................DA5Z-9450-A.........................1
Y-pipe gasket.........................................................7T4Z-9450-AA...................... 2
Exhaust manifold to cylinder head gasket..............DG1Z-9448-A...................... 2
2016-2018 catalytic converter, left side.................FB5Z-5G232-A..................... 1
2016-2018 catalytic converter, right side...............FB5Z-5G232-B..................... 1
2013-2015 catalytic converter, left side.................DA8Z-5G232-C.................... 1
2013-2015 catalytic converter, right side...............DA8Z-5G232-D.................... 1
