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Which consequence results when a catalytic converter is contaminated?

A)Increased hydrocarbon and CO emissions
B)Reduced engine compression ratio occurs
C)Higher coolant temperature will happen
D)Decreased fuel injector pulse width

💡 Explanation

Hydrocarbon and CO emissions increase when a catalytic converter is contaminated, because catalytic poisoning deactivates catalysts like platinum within the converter, therefore the oxidation of CO and hydrocarbons is inhibited, rather than converted to less harmful substances.

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