Question about 1989 Cadillac Fleetwood

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I have a 1989 fleetwood giving a code 23 which is a intake air temp sensor i put a new sensor in it and its giving the same code,Is there another sensor that i am missing? The one i changed is in the air cleaner and is vacume line only since its throwing the code wouldnt it have to be an electrical sensor?what am i missing?

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  • jessethewren Feb 04, 2010

    guru you are the man i didnt even think about anything but the air cleaner and that sensor but you gave it when it counted so thank you guru!

  • jessethewren Feb 04, 2010

    guru you are the man i didnt even think about anything but the air cleaner and that sensor but you gave it when it counted so thank you guru!

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  • Cadillac Master
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Code 23 is the IAT so u have the right sensor i assume, there is only one IAT sensor, it is located in the intake manifold, see picture below, if u are still geeting a code for this it is very poss the connector or the wiring to the sensor has an open circuit.


I have a 1989 fleetwood giving a code 23 which is - 63df7cc.jpg

Posted on Feb 04, 2010

  • yadayada
    yadayada Feb 04, 2010

    if the u still need the sensor go to www.rockauto.com to buy it at the best price, u will also need the updated connector with pigtail

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