03 3.2L idles weird when at a stop light
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  • 2 Post By Argent1
Cadillac CTS First Generation Forum - 2003 - 2007 Discussion, 03 3.2L idles weird when at a stop light in Cadillac CTS Coupe, Sport Sedan and Sport Wagon Forums; when im at a stop light my cts idles weird and check engine light starts flashing and when i accelerate ...
  1. #1
    bigces435 is offline Cadillac Owners Member
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    03 3.2L idles weird when at a stop light

    when im at a stop light my cts idles weird and check engine light starts flashing and when i accelerate the flashing stops, stop again does the same then check engine light stays on. i took it to get the codes read and says it has misfire in one cylinder. Does anybody have same issue or know what it could be Thanks!

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  3. #2
    Kingoftypos is online now Cadillac Owners Master
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    Re: 03 3.2L idles weird when at a stop light

    What do you have for a car? The title says 03 3.2, but your profile says 04 (either 3.2 or 3.6)

    Also, which cylinder is it in? What is the exact code?

    KOT

  4. #3
    bigces435 is offline Cadillac Owners Member
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    Re: 03 3.2L idles weird when at a stop light

    yeah its 03 3.2L and i dont remember the code number it was about 5 months i got it checked and right now i have it in the shop getting painted so wont be able to get the exact code but i think it was cylinder 3 misfire but not really sure

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    bigces435 is offline Cadillac Owners Member
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    Re: 03 3.2L idles weird when at a stop light

    The exact codes that come up were misfire on cylinder 1, 3, and 5 we did a compression check and all six are good

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    Cadillac Cust Svc's Avatar
    Cadillac Cust Svc is online now Cadillac Customer Service
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    Re: 03 3.2L idles weird when at a stop light

    I'm sorry to hear about your misfired concerns, bigces435! I see you're already getting great DIY feedback from other owners, and I'm available if you would ever like assistance working with your dealer. Email me anytime at Katie_Lucille@gmexpert.com and I can look into your frustrations further!

    Katie
    Cadillac Customer Service

  7. #6
    Bill Martin is offline Cadillac Owners Member
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    Re: 03 3.2L idles weird when at a stop light

    For a misfire I would look at plugs then coils.

  8. #7
    Argent1's Avatar
    Argent1 is offline Cadillac Owners Connoisseur
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    Re: 03 3.2L idles weird when at a stop light

    Doesn't an 3.2 have 'coil packs' ? If a coil pack went bad, it would affect the corresponding bank of 3 cylinders.
    Correct me if I'm wrong.
    ghettomike and ghettomike like this.

  9. #8
    Kingoftypos is online now Cadillac Owners Master
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    Re: 03 3.2L idles weird when at a stop light

    Quote Originally Posted by Argent1 View Post
    Doesn't an 3.2 have 'coil packs' ? If a coil pack went bad, it would affect the corresponding bank of 3 cylinders.
    Correct me if I'm wrong.
    With out seeing one, I am assuming that they still have it's own coil above each cylinder. It just happens to be in one package. So in theory, one coil can go bad while the other two are good. The bad part about this type of packaging, you have to replace the entire part, even though the other two coils are good.

    KOT

  10. #9
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    Re: 03 3.2L idles weird when at a stop light

    I agree with Bill Martin. How many miles are on the car, bigces, and when was the last time the spark plugs were changed?

    For those that know more about the 3.2L than I do, how is the ignition system wired on that car? Is there one coil pack to feed each side of the engine? The fact that bigces has misfires on 1, 3 and 5 makes me think the coil feeding that side of the engine is bad.
    '05 Stealth Grey CTS-V, Hyper Silver Linea Corse Venetos w/Continental ExtremeContact DWs (summer), black Team Dynamics ProRace 1.2 wheels with 275/35-18 R-compounds (track), Hyperblack Rota Torques (winter), KW Variant3s, V2 front brakes, Hotchkis rear sway bar, EPS cam, TEA-ported 243 heads, FAST92 intake w/LS2 TB, JBA Camaro/G8 1-3/4" shorty headers w/JBA cat pipes, Corsa exhaust, UUC motor and tranny mounts, UUC shifter, MAPerformance trailing arms, Specter cradle bushings, etc...

  11. #10
    ghettomike's Avatar
    ghettomike is offline Cadillac Owners Master
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    Re: 03 3.2L idles weird when at a stop light

    the 3.2 has 1 coil pack for cyl 1,3,5 and 1 pack for cyl 2,4,6

    its most likely 1 of your coil packs.. i think they are about $100

  12. #11
    bigces435 is offline Cadillac Owners Member
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    Re: 03 3.2L idles weird when at a stop light

    It has 115k miles, spark plugs where changed when i did the compression check. I have already taken it to an electrician and he said the same thing the coil pack he pulled it out and it was bad so we changed it and seem to fix it but a couple hours later it burnt out again he tried to find out what caused it to burn out but couldn't find the problem i really dont have a lot money to take it to the dealer so any help is good

  13. #12
    sandalet's Avatar
    sandalet is offline Cadillac Owners Enthusiast
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    Re: 03 3.2L idles weird when at a stop light

    Have you changed the coil on the new one?
    Order the new coil for cylinders 1,3,5 (passenger side). And we'll tell you how to change it in the home.
    If that does not help you should consider revision motor wiring.
    It also makes sense to check system voltage

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