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Author Question: All these are causes of catalytic converter failure EXCEPT ________. (Read 85 times)

lb_gilbert

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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 lb_gilbert on Aug 13, 2021

lou

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Answer 1

Any of these

Answer 2

All of these are causes of converter failure.




lb_gilbert

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


helenmarkerine

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Reply 3 on: Yesterday
:D TYSM

 

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