Posted by BolwFoon on February 12, 2011 at 10:41:25 from (71.169.171.63):
In Reply to: Oxygen Sensor posted by Bartt on February 12, 2011 at 03:32:09:
There is a book that tells the shop how much time is required to do most any job described.
In fact many mechanics are paid @ book time and can make more money by getting it done sooner.
Now about your part and having it changed.
The part usually just screws in and unplugs from a connector on it's wire. Of cource the threads are usually pretty much self welded in place from all the heat involved at that location in the exhaust system. So a torch may be needed to facilitate removal. Then the special wrench too that may be required so that it doesn't strip out, or break off during the job.
Now after the experienced trained mechanic uses his learned skills to remove and replace this part, you have to ask yourself if it was in fact the sensor itself that was bad or was it some connection or other component that made the computer kick out the O2 sensor code. It could even be something else entirely that threw the O2 out of it's available range leaving a prefectly good part be replaced without reason.
What I am trying to say is there may be more work involved that something like screw it out screw it in Presto!
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