Bad Oxygen Sensor(Upstream)



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Thread: Bad Oxygen Sensor(Upstream)

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    Bad Oxygen Sensor(Upstream)

    My 2005 3.8 Town and Country has had a few episodes where the car all of the sudden starts to loose power and feel like its going to stall, otherwise it runs normal. Malfunction light came on and I got the code P0132 code from the key dance...Autozone also scanned and verified Upstream Oxygen Sensor. Is replacing this a difficult job? Do I attack this from under the hood or underneath. Any help would be appreciated.

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    If the upstream oxygen sensor is located in the same place on the 3rd Gen vans, it's supposedly replaceable by going in through the top of the engine. Since otherwise you'll have to remove the catalytic converter to get at it from the bottom.

    Just a word of advice, be sure you keep an eye on your catalytic converter as when oxygen sensors go, it's not uncommon for the catalytic converter to get burned out and fail.

    Personally, I found it easier to have a local Midas replace my O2's.
    1996 Chrysler Town & Country LX [My lovable Daily-Driver]
    2000 Chrysler Town & Country Limited [Yes, it's still around!]
    2000 Chrysler 300M [New kid on the block...]

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    I did mine from the top while I had the intake off and it was very easy to do from there. Other than that, from the bottom does not look like it would be too difficult to reach it either. The only problem with them is that they get pretty stuck in there.
    Candy the van. '98 Sport 3.8L 132,200 miles. Used trans at ~96k. Great piece of my life and a fine van.

    '69 GTO drop top
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    They say from underneath, but a Mechanic told me it was easier from the top. If you take the wiper tray out (15 minute job), you will have excellent access to the upstream sensor and anything else you might want to work on / replace like spark plugs, plug wires and PCV valve.
    There is an electrical cable attached to the sensor and a special socket with a slit in it, is usually used to accomodate that. Here's an image of the socket. The new sensor should already have a special anti seize coating on it and will likely say not to add any more.
    2007 GC SXT - Magnesium - S&G - 3.8L - 115,600 kms
    2002 GC Sport - Stone White - 3.3L - 314,240 kms
    2003 Jeep TJ Sport - 4.0L - 246,430 kms

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    One more thing. I've read it will come out easier if you warm it up. Let the engine run a few minutes.
    ******** We took the time to answer your post. Please give us some time and post the fix. You'll help hundreds. ********

    **** Follow all prescribed safety procedures before attempting any repairs. If in doubt, refer to a maintenance manual. ****

    96 Gr Caravan LE 3.8, 212K miles
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    Red face

    I've decided to have the O2 sensor replaced at my local shop. I really dont have the time to do it this week..... and my wife is already asking when her van will be ready.
    Thank for all those who replied.

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    Quote Originally Posted by L22 View Post
    I've decided to have the O2 sensor replaced at my local shop. I really dont have the time to do it this week..... and my wife is already asking when her van will be ready.
    Thank for all those who replied.
    Anyone know what I should expect to pay at the shop for replacing the upstream 02 Sensor

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    They will charge you an hour's labour. Better get a quote though and a good mechanic who knows what they are doing so the job doesn't become something it shouldn't.
    2007 GC SXT - Magnesium - S&G - 3.8L - 115,600 kms
    2002 GC Sport - Stone White - 3.3L - 314,240 kms
    2003 Jeep TJ Sport - 4.0L - 246,430 kms

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