Ford P0165 OBD-II Trouble Code Definition: P0165 O2 Sensor Circuit Slow Response Bank 2 Sensor 3 P0165 Ford OBD-II Trouble CodeDescription: OBD Trouble Code P0165 O2 Sensor Circuit Slow Response What does the code mean? OBD-ii Code P0165 definition: The rear heated oxygen sensor (or sensor 3 for some vehicles), after three way catalyst (manifold), monitors […]