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.

Diagnostic Aids

O2S wiring and connections should be checked if any these DTCs are set. Contamination is the most likely cause of these DTCs to set. Contamination could be caused by fuel, improper use of RTV sealant, engine oil or coolant contamination. Correct source of contamination before replacing sensor.