What does O2 sensor mean on Dodge Ram?
What does O2 sensor mean on Dodge Ram? By doing this, the computer and all related sensors go into a sort of learning mode, allowing it to adapt to changes made that could affect airflow or exhaust (O2 sensor) readings. This article applies to the Dodge Ram 2nd Generation (1994-2001). How do you reset the PCM on a Dodge Ram? Disconnect the negative battery terminal. Insert the key in the ignition and turn it to the "on" position. Do not turn it past this position as if you are starting the truck. Wait 30 seconds, then turn the key to...