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A technician is viewing a scan tool data stream to diagnose an OBD II system. The downstream HO2S has the same voltage switching rate as the upstream HO2S. Technician A says the air/fuel ratio is too rich. Technician B says the catalytic converter may be defective. Who is correct?
Irreversible Chemical Change
A chemical reaction that results in products that cannot easily revert back to the reactants without significant energy input.
Atmospheric Corrosion Resistance
The ability of a material to withstand degradation caused by reactions with atmospheric conditions without additional protection.
Alloy Series
Groups of metal alloys classified together based on their principal element.
Carbon Content
Carbon Content refers to the percentage of carbon in an alloy or metallic substance, directly influencing its hardness, strength, and malleability.
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