3-Series (E36)Chat relating to the BMW 3-Series from 1992-1999. Autodoodad
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while driving last night my check engine light came on. I got home checked the code and it was 1221 oxygen sensor. was going to get a new one and now the light is out and there is no codes. could the sensor actually be ok? it is not more than 9 months and 15000 miles old. maybe just a fluke reading. by the way the car is a 1992 325i m50 Thanks
while driving last night my check engine light came on. I got home checked the code and it was 1221 oxygen sensor. was going to get a new one and now the light is out and there is no codes. could the sensor actually be ok? it is not more than 9 months and 15000 miles old. maybe just a fluke reading. by the way the car is a 1992 325i m50 Thanks
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fault code 1221 issues need ideas 
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