Operation CHARM: Car repair manuals for everyone.

Electronic Engine Controls




Electronic Engine Controls

The HO2S:

- has the ability to create a voltage signal dependent on exhaust oxygen content.
- provides feedback information to the PCM used to calculate fuel delivery.

The CMS(s):

- has the ability to create a voltage signal dependent on exhaust oxygen content.
- provides a voltage to the PCM used to calculate catalytic converter integrity.