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Originally Posted by marcx5
i went to autozone and borrowed their computer thing to find out why my service engine light was on. the machine indicated it was an o2 sensor.
is this a big deal or expensive to fix?? does it NEED to be fixed?
i'm thinking of getting the 2007 x5... so if i can wait and not put more money into my old car, i'd prefer that.
thoughts?
thanks.
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Have you taken it for a couple of drives since the light came on? Mine did the same thing, and it turned out to be the sensor had detected that I had started it, moved it out the driveway, then later did the same thing to move it back. as I hadn't allowed it to warm up, it runs very rich while cold and this set off the sensor as it was detecting bad emissions (ie too much petrol in the exhaust )... took it for a drive and then the next day it was gone. Just a thought......