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From time to time you do come across a rusted in sensor. Your vehicle being a 2001, and O2 sensors lasting some time, yours is rusted in. If sheer force does not work you may need to use an oxy-acetalyne torch on the sensor to heat to it red-hot to break the rusting and undo it with a good single-hex deep socket. I have had one or two sensors break up and ...


If you are going to replace the sensor and have already purchased the replacement, cut the wires off of the old sensor and put a 1/2" drive deep well socket onto it (don't use the split socket for the O2 sensor to take it off, but you will use it to put it back on). Use a breaker bar to break it free, then use a ratchet the rest of the way. If you do not ...

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