October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.
Oxygen Sensor: Testing and Inspection
For Heated Exhaust Gas Oxygen
(HEGO) Sensor Diagnosis, go to Powertrain Management/Computers and Control Systems/Testing and Inspection/Diagnostic Charts (Pinpoint Tests)/Fuel Control.
Testing and Inspection