Don't Just Replace A/F Sensor for Nissan
This bulletin applies to 2015-2018 Nissan Altima vehicles. If the MIL is on and DTC P219A (air-fuel ratio imbalance B1) and/or P219B (air-fuel ratio imbalance B2) is stored, do not replace the air-fuel ratio sensor. Refer to the applicable Electronic Service Manual and follow the diagnostic procedure for these DTCs.
About the Author
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.
Mike Mavrigian
Motor Age Editor
Mike Mavrigian has written thousands of automotive technical magazine articles involving a variety of specialties, from engine building to wheel alignment, and has authored more than a dozen books that crisscross the automotive spectrum. Mike operates Birchwood Automotive, an Ohio shop that builds custom engines and performs vintage vehicle restorations. The shop also features a professional photo studio to document projects and to create images for articles and books.

