"SITUATION: THE ENGINE MALFUNCTION INDICATOR LAMP (MIL) MAY BE ILLUMINATED. UPON DIAGNOSIS, THE TECHNICIAN MAY FIND ONE OR MORE DIAGNOSTIC TROUBLE C ODE (DTC ), LISTED IN THE TABLE BELOW AND RELEVANT TO THE HEATED OXYGEN SENSORS (HO2S), MAY BE STORED IN THE ENGINE CONTROL MODULE (ECM).
CAUSE: THIS MAY BE CAUSED BY THERMAL SHOCK WHEN WATER CONTACTS THE HEATED SENSING ELEMENT."