Question about Chevrolet Spectrum

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1988 Chevy Spectrum what is the description for DTC code 23.

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Code 23 is: intake air temp sensor out of range, signal low, this is the sensor that measures the incoming air temperature for the fuel injection system, the sensor is either located in the intake manifold or in the air duct hose to the engine from the air cleaner box or the air cleaner filter box, it has 2 wires and is a small connector, here is a picture of that sensor.


1988 Chevy Spectrum what is - 421b849.jpg

Posted on May 12, 2010

  • greg gilmore May 12, 2010

    The pic you sent looks like an air temp for a FI vehicle this little car has a 1.5 Liter carbureted engine; although I do believe I found the air temp sensor located in the lower half of the breather housing.


    If I am not mistaken doesn't a code 12 mean the beginning and end of dtc list?


    Thanks
    Greg

  • yadayada
    yadayada May 12, 2010

    12 (system ready to test) and this is the correct part and that is the air charge temp sensor, the picture is not to scale, this is small.

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