ASE L1 Practice Questions - ASE L1 Advanced Engine Performance Specialist Certification Exam

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During diagnosis of a driveability concern, a technician determines the root cause is a restricted catalytic converter. After replacement, what is the MOST important follow-up procedure to prevent repeated failure?

Reset the ECM adaptive memory Identify and repair the condition that caused the original converter failure Replace the oxygen sensors Perform a throttle body cleaning

Correct Answer:

Identify and repair the condition that caused the original converter failure

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