The engine must be at normal operating temperature before the O₂ sensor is tested.

Question

Quizplus · Accepted Answer

The O₂ sensor, although not a standard designation, implies a requirement similar to that of many automotive sensors where the engine must be at normal operating temperature to ensure accurate testing and readings. This is because sensor performance can vary with temperature, and manufacturers often specify operating temperature ranges for accurate diagnostics.

The Engine Must Be at Normal Operating Temperature Before the O2

The Engine Must Be at Normal Operating Temperature Before the O₂