Thread: Fault Code PO 141(1/2 O2 sensor relay)
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Old 07-06-2010, 07:36 PM
First Outlander First Outlander is offline
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Join Date: Jan 2009
Location: Bristol CT. USA
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Got it finally corrected after I replaced all four O2 sensors. The bad sensor was the rear (underneath-post) sensor, BMW suggests you replace all four at 100,000mi, good to go for another 100k. Thanks!
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