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    Automotive Technology Principles
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    Exam 86: Catalytic Converters
  5. Question
    A P0422 (Catalytic Converter Efficiency Failure) Is Set
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A P0422 (Catalytic Converter Efficiency Failure) Is Set

Question 1

Question 1

Multiple Choice

A P0422 (catalytic converter efficiency failure) is set. What is a possible cause?


A) Exhaust leak
B) Fuel contamination
C) Engine mechanical fault
D) Any of these

Correct Answer:

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