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Thread: ECU temperature sensing unit location?

  1. #1
    Join Date
    Jan 2004
    Location
    Lexington, Kentucky
    Posts
    2,561

    Default ECU temperature sensing unit location?

    Can anyone verify the ECU temperature sensing unit location? I have been told this sensor's failure/weakness may cause an engine to run rich.

    I know my car reaches the correct operational temperature. However, this seems to be something different. TIA
    Thanks,

    1995 525i Auto, M50TU 2.5L, EAT chip, 1/95 build, USA, 205/65/15 tires, ASC+T, HID, lumbar, EC Mirror, BMW Alpine 5 radio with BMW-Pioneer CD Changer, abt 236k miles, Oxford Green/Parchment

  2. #2
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    on a m50 it's on the bottom of the intake manifold plenum by the brake booster
    all america wants is cold beer warm cat and a place to take a poop with a door on it

  3. #3
    Join Date
    Jan 2004
    Location
    Lexington, Kentucky
    Posts
    2,561

    Default thanks- sounds hard to reach

    I will take a look at my Bentley and then price it out. May just replace if price is reasonable and not hard to locate and fix. However, I assume if defective, I would see a code on the stomp test. I have seen no error codes. Thanks again.


    Quote Originally Posted by winfred
    on a m50 it's on the bottom of the intake manifold plenum by the brake booster
    Thanks,

    1995 525i Auto, M50TU 2.5L, EAT chip, 1/95 build, USA, 205/65/15 tires, ASC+T, HID, lumbar, EC Mirror, BMW Alpine 5 radio with BMW-Pioneer CD Changer, abt 236k miles, Oxford Green/Parchment

  4. #4
    Join Date
    Dec 2003
    Location
    baton rouge, loserana
    Posts
    6,922

    Default

    it should be easy enough to check with a multi meter set on ohm's, then warm or cool it watching it for change in the reading
    all america wants is cold beer warm cat and a place to take a poop with a door on it

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