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Old 05-09-2015, 03:08 PM   #20 (permalink)
Cd
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Looking online, I get different answers regarding the Check Engine Light and how severe a problem it is when it come on then goes off again.

One of my codes was for the speed sensor, but what worries me is that there was another code for the oxygen sensor at the same time.

If I drive the car and the CEL does not come on, does this mean that the part is working ? ( electrical issue etc )

It's an emissions part, so i suspect the part will trigger a CEL when the engine is hot. I'll let you guys know. But if it does not, does this mean the part is good ?

The oxygen sensor part is a Bosch, with probably less than 10,000 miles on it. It's a real pain to take off too, so i'm hoping it's still good.
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