Thread: Catalytic converter efficiency below limit value
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      02-07-2022, 12:48 PM   #6
ezaircon4jc
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Drives: 2019 540i M Sport
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Quote:
Originally Posted by lukavergille View Post
Thanks for input. Could a bad O2 sensor cause any damage to engine?
I can't fix the car until the weekend
If the CEL is flashing then I wouldn't drive it. If it's steady, you should be OK...

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