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Author Question: All these are causes of catalytic converter failure EXCEPT ________. (Read 53 times)

lidoalex

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Question 1

A P0422 (catalytic converter efficiency failure) is set. What is a possible cause?
◦ Engine mechanical fault
◦ Exhaust leak
◦ Fuel contamination
◦ Any of these

Question 2

All these are causes of catalytic converter failure EXCEPT ________.
◦ Contamination
◦ Excessive temperature
◦ Incorrect air/ fuel mixture
◦ All of these are causes of converter failure.


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Marked as best answer by lidoalex on Aug 13, 2021

Jsherida

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lidoalex

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Reply 2 on: Aug 13, 2021
Thanks for the timely response, appreciate it


amcvicar

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Reply 3 on: Yesterday
Wow, this really help

 

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