Tag: secondary 02 sensor
DTC P0138 – How to Service Your 02 Sensors
The OBDII Trouble Code DTC P0138 refers to your secondary oxygen sensors, and is triggered when the sensors provide too high of a value to...
How To Make a 02 Simulator
This article is intended for those who happen to own a performance vehicle meant for off-road use only. If you are here looking at this post...
