P1189 Fuel Control (Bank 2 Sensor 1) code - BMW M5 Forum and M6 Forums

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Old 4th January 2008, 02:02   #1
jaza45
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P1189 Fuel Control (Bank 2 Sensor 1) code

I keep getting this code about once a week and the car automatically goes into limp mode but after re-starting the car the light goes away...

I recently changed the two pre-cat o2 sensors....what could be causing this fault? I have no Idea please help me...

also some times I get a P1188 fuel control (bank 1 sensor 1) but the 1189 comes more often......any advices?
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Old 5th January 2008, 01:18   #2
nightkrawler
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since you just installed new 02's i'd be willing to bet that one of them is bad or not the correct one. that code im assuming is lamda control bank 1 before cat. i'd start by removing it and re-installing the old one, see if the problem goes away. bank 1 is passenger side.
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Old 5th January 2008, 23:45   #3
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those were my thoughts exactly, but to have a p1188 and p1189 its what doesnt add up
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Old 5th January 2008, 23:52   #4
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put the old ones back in and see if you still get the codes, i'll bet they go away.

Last edited by nightkrawler; 5th January 2008 at 23:54.
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