Question about 1983 Buick Century

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I have a 1983 buick century I was told it needed

I have a 1983 buick century I was told it needed a air / oxygen sensior i would like to try the repair myself . I am unsure of the loaction of this part was told that it is located near the back of the engine is this correct?If I decide not to what would the normal cost of this repair be Thanks

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Do u have the new part? if not get it and look at the exhaust pipe, you will see it screwed into the exhaust pipe near the engine, u will need a special tool to replace it.

Posted on Jun 17, 2009

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The o2 sensor is usually on the exhaust manifold, or int pipes that lead to the catalytic convertor. It sniffs the summed exhaust gasses from the engine, so look for it in the plumbing AFTER the headers.manifold comes together into one pipe.
It is a threaded sensor about the size of a spark plug.

Posted on Jun 17, 2009

  • XSdB
    XSdB Jun 17, 2009

    Usually it is not too hard to get to, sometimes you have to get to it from underneath. The cost to DIY is only the cost of the O2 sensor and is usually under 75$. Just take the old one out (make sure your car is cooled off all the way) and screw the new one in, and re-connect electric connector.

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