Question # 25

A scan tool indicates the catalytic converter temperature is much lower than expected during loaded operation. O2 sensor data is normal, and the engine runs properly. What does this suggest?

Options:

A.

Catalytic converter substrate is deteriorated

B.

O2 sensors are faulty

C.

EGR system is malfunctioning

D.

Fuel pump is weak

Viewing question 25 out of 72 questions
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