Wideband air/fuel oxygen sensors may appear similar to conventional narrowband oxygen sensors, but there are quite a few differences that you need to be aware of to service vehicles with this new style sensor.
Andrew Markel explains how a non-resetting secondary air monitor required the use of crowd-sourced repair information when techs were led down a rabbit hole. Sponsored by ProDemand by Mitchell1.
Additions were made to the braking, rotating machine and oxygen sensor product lines.
This summer, an old friend and former teaching partner arrived at our local car show with the check engine light illuminated on his 2004 Holden Monaro, which was imported from Australia and rebadged and sold in the U.S. Its unique corporate history aside, this relatively rare imported muscle car had the all-too-common P0171 and P0174 trouble codes stored in its diagnostic memory.