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Check Engine Code Wrong...what's The Deal?

1K views 1 reply 2 participants last post by  billB 
#1 ·
Car shows code 1212 Oxy Sensor #2 (passengers side) and changed and now it's on and off with the same code but more on than off.

What's the other problems that would be read as a 1212 code for my '95 530iA and why is it on and off? Do I need to do a reset of the ck eng codes after changing the o2 sensor that it indicates.

thanks,
 
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