fault code 1221 issues need ideas - BMW Forum - BimmerWerkz.com
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#1 (permalink) Old 04-22-2007, 10:48 AM
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Question fault code 1221 issues need ideas

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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#2 (permalink) Old 04-22-2007, 10:57 AM
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Quote:
Originally Posted by seven
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
means its going bad...not completely bad yet

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