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10-06-2017, 01:08 PM | #1 |
Lord Scrip
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Drives: 2011 M3 Coupe
Join Date: Jan 2012
Location: LA,Ca
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CC ID-31 increased emissions
I've cleared it and it keeps returning. Is it safe to say it's a failed O2 sensor or the cat?
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11-24-2018, 09:34 AM | #2 |
First Lieutenant
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Just got the same code too. Car runs perfectly normal. Checked the gas cap and it's tight. Any ideas?
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11-24-2018, 10:53 AM | #3 |
Lord Scrip
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Drives: 2011 M3 Coupe
Join Date: Jan 2012
Location: LA,Ca
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In my case it was a messed up on 02 sensor wire by the connector. My car is lowered and I drove over some parking spikes which molested the bottom of my car and damaged one of my 02's.
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