surges/sputters while driving, but idles perfectly fine? - Page 2
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Northstar Engines and System Technical Discussion Discussion, surges/sputters while driving, but idles perfectly fine? in Cadillac Engine Technical Discussion; i followed this post, i cleaned it just like it told me: http://www.cadillacforums.com/forums...tml#post523588 the pintle seemed to move freely as ...
  1. #16
    Rattlehead is offline Cadillac Owners Member
    Automobile(s): 2000 Cadillac DeVille 4.6L Northstar
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    Re: surges/sputters while driving, but idles perfectly fine?

    i followed this post, i cleaned it just like it told me:
    http://www.cadillacforums.com/forums...tml#post523588

    the pintle seemed to move freely as well, easy to push down, popped right back up when released, i actually didnt get alot of anything out of it when i cleaned it. i have test drove it again with the pigtail off again just to be sure my theory was correct and it does indeed run like a champ with it unplugged, prolly not very good for the car tho, plus my inspection is up and the codes will cause a fail, however its easier to get down the road to the store with it off lol, i really feel like this is something that i shouldnt take it to a shop for, i have some trust issues with the local shops for reasons i wont get in to here, but even taking it out of town somewhere im sure they will charge me an arm and a leg and it will turn out to be something i could had saved hundreds of dollars on AND know its done right if i were to do it myself.

    what would u suggest i do next?

  2. #17
    Ranger's Avatar
    Ranger is online now Cadillac Owners Member
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    Re: surges/sputters while driving, but idles perfectly fine?

    Have you checked for a leaky FPR?

  3. #18
    Rattlehead is offline Cadillac Owners Member
    Automobile(s): 2000 Cadillac DeVille 4.6L Northstar
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    Re: surges/sputters while driving, but idles perfectly fine?

    i popped off the vaccum line to the FPR and checked for a smell of gas at the hose, and for any fluids, kinda smelt like gas, but the whole engine kinda does, no signs of fluids at all with car running or not.

  4. #19
    Dr. John is offline Cadillac Owners Member
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    Re: surges/sputters while driving, but idles perfectly fine?

    If I understand this thread correctly, I have developed a similar problem on my 2005 STS with Northstar RWD. Eager to know of any solutions that worked.

  5. #20
    N.Williams is offline Cadillac Owners Member
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    Re: surges/sputters while driving, but idles perfectly fine?

    Did you find the problem?My caddy has the same symptoms.

  6. #21
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
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    Re: surges/sputters while driving, but idles perfectly fine?

    The thread has been dead for almost 2 years, Please update your profile to show proper information and consider setting your post/thread preferences to "View latest posts/threads first". That way, you see current information instead of digging up bones. Time zone - Do you really live in London - GMT ?
    N.Williams likes this.

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