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[bmw] Difference between EGO sensor and Lambda Sound
I got the dreaded "check engine" light on and the code returned is 1221: EGO
sensor. What is the difference between this sensor and the Lambda Sound?
Which of the two is "the" oxygen sensor? Can I damage the cat converter if
driving the car with this problem for about two weeks?
Thanks in advance,
Jorge
e36 325is
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