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12-21-2013, 11:35 PM | #1 |
#tunaonwhite
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SES Code P0128 and Increased Emissions Error - HELP!
I was driving the M3 home the other day and got a "Increased Emissions" error. I stopped by the local AutoZone and had the code read. It showed a "P0128" code meaning it is something wrong with the thermostat. I read that this could be an issue with one of the O2 sensors. I have been thinking about replacing the thermostat and water pump. Has anyone had this issue? How was it fixed?
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12-22-2013, 12:06 AM | #2 | |
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Best bet is to scan the faults with a BMW specific scanner and get the four digit hex code. You could also clear and see if it returns. |
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12-22-2013, 01:52 AM | #3 | |
Id rather be boating...
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What BMW scanner is best suited for the DIY'er? BT? |
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12-22-2013, 10:57 AM | #4 | ||||||||||||||||||||||||||||
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2B59 - P0128
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12-23-2013, 10:33 AM | #7 | |
#tunaonwhite
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12-23-2013, 10:35 AM | #8 | |
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12-23-2013, 10:36 AM | #9 |
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BTW, I just dropped the car off at the "stealers" to have the diagnostics ran on it. They'll let me know by noon today. Ill keep you posted on what they had to say about it.
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12-23-2013, 05:47 PM | #10 |
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Ok I just got the car back. The verdict was that the thermostat went out. I received the "Increased Emissions" warning because of the cars possibility of overheating which would also effect the emissions. This was told to me by the Service Advisor and a tech. I went ahead and bought a thermostat and ordered the 4 aluminum bolts that need to be replaced on the water pump. Im going to try to get around to that this weekend. Ill post pictures of the process.
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12-25-2013, 07:10 PM | #11 | |||||||||||||||||||||||||||
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12-25-2013, 07:35 PM | #12 | |
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12-26-2013, 12:13 AM | #13 | ||
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12-26-2013, 11:51 AM | #14 |
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12-26-2013, 03:31 PM | #15 |
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I fixed the issue with the thermostat replacement! I had trouble finding any thermostat replacement tutorials for the E9x M3 so I wrote one with pictures! Check it out! http://www.m3post.com/forums/showthr...0#post15176590
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01-08-2014, 01:35 PM | #17 |
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Most people use the Bavarian Technic tool ("BT Tool").
http://www.bavariantechnic.com/?gcli...FcU5QgodZjAABw |
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01-09-2014, 02:44 PM | #21 |
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Anyone is having the same code "Increased Emission" under extreme cold weather?
I had that two times already and both time were when the weather gets really cold. Thanks, |
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code po128, emission, ses light, thermostat |
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