2000 Seville constant misfires on cylinders 5 and 8, what is common here? - Page 2
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 2000 Seville constant misfires on cylinders 5 and 8, what is common here? in Past Cadillac Vehicle Discussion; I'm giving up and going to try a PCM. This picture shows me I almost have to try it, just ...
  1. #16
    HookFade is offline Cadillac Owners Member
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    Re: 2000 Seville constant misfires on cylinders 5 and 8, what is common here?

    I'm giving up and going to try a PCM. This picture shows me I almost have to try it, just has every cylinder I'm having an issue with grouped together. I didn't see any corrosion at the connector, I just swapped around a few injectors trying to make the misfire move and it didn't, just out of ideas.

    injectors.jpg

  2. #17
    HookFade is offline Cadillac Owners Member
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    Re: 2000 Seville constant misfires on cylinders 5 and 8, what is common here?

    *****FINALLY RESOLVED!*****

    I got a PCM and had it programmed, misfires are gone. Thanks for all the suggestions, hope this thread saves someone some time in the future.

  3. #18
    Submariner409's Avatar
    Submariner409 is offline If it won't run, chrome it
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    Re: 2000 Seville constant misfires on cylinders 5 and 8, what is common here?

    Good for you. One more chicken come home to roost............. nice work.

  4. #19
    rodnok01's Avatar
    rodnok01 is online now Cadillac Owners Connoisseur
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    Re: 2000 Seville constant misfires on cylinders 5 and 8, what is common here?

    Thanks for resolution, too many don't get back with the forum when they figure it out.

  5. #20
    StephanBlake is offline Cadillac Owners Member
    Automobile(s): 2001 DTS Black
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    Re: 2000 Seville constant misfires on cylinders 5 and 8, what is common here?

    Quote Originally Posted by HookFade View Post
    *****FINALLY RESOLVED!*****

    I got a PCM and had it programmed, misfires are gone. Thanks for all the suggestions, hope this thread saves someone some time in the future.
    Im having same issue with 2001 deville and at ends meet. I just did the exact same procedure the last few months and no change. Only difference is Cylinder 1 is constantly misfiring. I even took apart pcm. So I think Im gonna do the same and Ill update as soon as possible! Thanks

    BTW where did you get the pcm reprogrammed and did you have to have the new one in the car or just the computer programed by itself?

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