'97 deville knock sensor circuit OBDII code-fix?
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, '97 deville knock sensor circuit OBDII code-fix? in Past Cadillac Vehicle Discussion; Been getting this code about twice a week-replaced knock sensor itself-with no luck-anyone know anything about the harness or why ...
  1. #1
    actionpaintball is offline Cadillac Owners Member
    Join Date
    Dec 2003
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    10

    '97 deville knock sensor circuit OBDII code-fix?

    Been getting this code about twice a week-replaced knock sensor itself-with no luck-anyone know anything about the harness or why it might be throwing this code? I really don't feel like taking the intake plenum off again-but if I have to....oh well....

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  3. #2
    elwesso's Avatar
    elwesso is offline Cadillac Owners Master
    Automobile(s): 2005 CTS-V, 1994 Infiniti Q45
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    Indiana
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    Re: '97 deville knock sensor circuit OBDII code-fix?

    Dang, I just did this on my Q45.. Removing the plenum is a heck of a job, how hard is it on the northstar

    I would say the harness is shot, normall ywhen you do stuff like this you should replace the sensor and harness..

  4. #3
    actionpaintball is offline Cadillac Owners Member
    Join Date
    Dec 2003
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    10

    Re: '97 deville knock sensor circuit OBDII code-fix?

    Well-thenew battery had cleared all knock sensors codes with nothing new popping up-and teh fel door problem at start up is gone

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