Originally Posted by sarettah

The oxygen sensor is what was screwed on the truck.



No, an oxygen sensor.

There are 4 of them 1 in front of and 1 behind each of the 2 catalytic converters.

I don't know anymore about them then that, That is why I let the dealer do it. Like I said you get the warranty when you go pro, you don't when you lay on your back.

Another hint:



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