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Cam position sensor 850 1995

posted by  KlausC on  Mon Jul 1 15:25 CST 2019
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last visit: Fri Oct 24 10:15 CST 2014
[RELATED]

My 850 wouldn't start the other day, and I wasn't home! I checked the fuel, that was OK. Then I checked OBDI and got 3-1-4, cam position sensor failure. Fortunately, resetting the code allowed the engine to start and I drove home.

I ordered a Meyele CPS for $28 and stuffed it in the car.

I later examined the original 1995 CPS. No moving parts, nothing to wear out? The piece of metal that senses the cam movement had a little grunge on it, that cleaned off with a paper towel. The male prongs of the connector had a light coating of green - corrosion which came off with an old toothbrush.

As far as I am concerned, I now have an old stock, working CPS on my workbench. It will probably go another 182,000 miles.

Nice side benefit, the new rear cam seal that I put in 2 years ago is working just fine!


--
Keeping it running is better than buying new








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    In the vintage Audi world, meyle stuff is low quality. 850 1995

    posted by  Three5bangers on  Sat Jul 13 13:01 CST 2019
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    last visit: Thu Jan 17 20:50 CST 2013
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    You might be better off putting the original part back in, it's less likely to fail when a 18 wheeler is tailgating you on Interstate 95.








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      In the vintage Audi world, meyle stuff is low quality. 850 1995

      posted by  KlausC on  Sat Jul 13 17:43 CST 2019
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      last visit: Fri Oct 24 10:15 CST 2014
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      The only failure is the ability to start the engine. Once running, it will continue to run.

      As for I-95 and tailgating trucks, I have only had a truck tailgate me in my 1964 VW convertible. And I-95 is a two day drive from here. I hope I never have to drive from NYC to Washington, DC again!
      --
      Keeping it running is better than buying new








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        In the vintage Audi world, meyle stuff is low quality. 850 1995

        posted by  Volvo From Heck on  Sun Jul 14 16:24 CST 2019
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        last visit: Mon Oct 13 20:56 CST 2014
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        Klaus, Your note about I-95 NYC to DC couldn't have been more timely for me. A couple of weeks ago the racing organization of which I'm a part ran at Dominion Raceway just off I-95, 60 miles south of DC. The trip down on I-95 from the NY metro area was miserable. For the trip back I headed west to I-81N to I-78E. Cost us an additional 75 miles or so and paid off with a totally stress free trip.
        And as a side note--a while back I was getting a fault code indicating a problem with the cam sensor on our 2002 S40. A used original from a Pull-a-Part yard set it right. - Dave








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          In the vintage Audi world, meyle stuff is low quality. 850 1995

          posted by  KlausC on  Mon Jul 15 09:22 CST 2019
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          last visit: Fri Oct 24 10:15 CST 2014
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          I really like I-81 through the valley. What a beautiful drive and totally stress free.
          --
          Keeping it running is better than buying new








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      In the vintage Audi world, meyle stuff is low quality. 850 1995

      posted by  KlausC on  Sat Jul 13 13:36 CST 2019
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      last visit: Fri Oct 24 10:15 CST 2014
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      It's just a large task in a turbo. I cleaned it up, greased the male plug, put it in a box with the other spares.
      --
      Keeping it running is better than buying new








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    Cam position sensor 850 1995

    posted by  Hugh on  Tue Jul 2 09:01 CST 2019
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    last visit: Fri Oct 24 09:47 CST 2014
    [RELATED]

    Klaus,

    The $28 was tuition for learning what can cause of cam position sensor to fail. Money well spent. Kudos to you for diagnosing the problem. Now you know why I hang onto every word you write on this website.

    Hugh







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