E46Fanatics - View Single Post - Heater no work so good
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Old 12-23-2011, 06:34 PM   #15
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Join Date: Mar 2007
Location: greenville, sc
Posts: 1,742
My Ride: '16 X6 50i
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The outside air thermometer under the front bumper works fine in the OBC, but I am getting PO171 and 174, lambda probe 1 and 2 errors, but have had those for awhile, before the heat went out. Now the interior one might be something to look at...heres a question.
When I put it on auto to bring it down to 59 degrees, it goes full blast on cold. If i do auto at 91 degrees, the fans barely go above 1 bar. Does this mean the interior sensor could be bad/loose?

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