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BMW 3-Series (E90 E92) Forum
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Downpipe balls deep
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06-25-2014, 06:58 PM | #1 |
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Downpipe balls deep
I have an 07 335i my cobb access port reads P2C9E "Lambda sensor heating the catalyst 1, triggering" it then goes on to say that this is typically caused by a failing 02 sensor.
This code started when I got the four bolts connecting the downpipe to the rest off the exhaust blown off with a torch so i thought it was just caused by the exhaust leak made thereafter. I drove my car home slowly less than a mile from the shop that blew the bolts off for me. I then installed my new AA dp and the code is still there even after clearing it. Do I have a bad 02 sensor or could it be something else? And if it is an 02 sensor how should I go about figuring out which one it is? |
06-25-2014, 08:27 PM | #2 |
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According to this thread, it's the Bank 1 Sensor... http://www.e90post.com/forums/showthread.php?t=678473
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06-27-2014, 11:14 AM | #4 | |
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