Oxygen sensors may become contaminated by ______.
A)coolant from blown head gaskets
B)use of RTV silicone sealant in the intake system
C)excessive oil consumption caused by worn rings.
D)All the answers are correct.

Question

Quizplus · Accepted Answer

Oxygen sensors can become contaminated by various substances, including coolant from blown head gaskets, the use of RTV silicone sealant in the intake system, and excessive oil consumption caused by worn rings. Each of these can introduce substances into the combustion process that can coat or otherwise interfere with the sensor's ability to accurately measure oxygen levels in the exhaust gases.

Oxygen Sensors May Become Contaminated by ______