Ford Explorer CAT Sensor

Some 2014-2015  Ford Explorer vehicles equipped with a 3.5L or 3.7L Ti-VCT engine may exhibit an illuminated MIL with DTC P0138 (bank 1 CMS) and/or P0158 (bank 2 CMS) stored in the PCM memory.

Connect your scan tool and check for DTCs. Address any non-related DTCs before continuing.  Replace the affected catalyst monitor sensor (CMS).

The sensors are available as follows:

Bank 1 CMS......BE5Z-9G444-B

Bank 2 CMS......BE5Z-9G444-A

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Information courtesy of Mitchell 1

Information for Technical Service Bulletins comes from ProDemand, Mitchell 1's auto repair information software for domestic and import vehicles. Headquartered in San Diego, Mitchell 1 has provided quality repair information solutions to the automotive industry since 1918.

About the Author

Mike Mavrigian | Editor

Mike received a BA degree from Youngstown State University in English Literature with a minor in Journalism in 1975.