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Thread: help spark plugs and a few questions

  1. #1
    mr888 is offline Cadillac Owners Member
    Automobile(s): 2008 STS 3.6DI
    Join Date
    Jul 2013
    Posts
    35

    help spark plugs and a few questions

    hey guys I'm new to this form , I just bought a 2008 STS 150,000km it has a engine code look that up seems to be misfiring on cylinder number 3 when I'm going on the highway at 100km it seems to sputter when and when I step on the gas and go over a hundred it goes away and sometimes when I step on the gas hard I feel as if the vehicle is accelerating a bit by itself..

    I was planning to change the spark plugs erase the code if it comes back I was going to switch a coil for another one to see if it misfire on cylinder number 2 I was also going to clean out the throttle body

    my questions are am I taking the right step?
    also I was doing some reading around do I have to remove the intake to replace the spark plugs or on the 3.6DI it is not needed to ? can I do this myself?

    also my car is in park and the the display is beeping telling me its not I have to wiggle it around for awhile for it to go away..?

    Last edited by mr888; 07-09-13 at 02:08 AM.

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  3. #2
    EChas3's Avatar
    EChas3 is offline Cadillac Owners Master
    Automobile(s): 2006 STS4 V8 1SG & 2007 STS V8 1SE
    Join Date
    Jun 2008
    Location
    Cedarburg, WI
    Age
    59
    Posts
    8,178

    Re: help spark plugs and a few questions

    Soon, you may need to replace the shifter. Some members have been able to get by with adjustments but there is a known issue.

  4. #3
    mr888 is offline Cadillac Owners Member
    Automobile(s): 2008 STS 3.6DI
    Join Date
    Jul 2013
    Posts
    35

    Re: help spark plugs and a few questions

    that would suck does anyone know how to disable it or adjust it?

  5. #4
    Ludacrisvp's Avatar
    Ludacrisvp is offline Cadillac Owners Connoisseur
    Automobile(s): 08 STS4 V8 F55 1SG Euro tails & 01 Monte SS Pace Car
    Join Date
    Feb 2009
    Location
    St Michael, MN
    Age
    30
    Posts
    4,549

    Re: help spark plugs and a few questions

    Quote Originally Posted by mr888 View Post
    that would suck does anyone know how to disable it or adjust it?
    http://www.cadillacforums.com/forums...djustment.html

  6. #5
    KRSTS Guest

    Re: help spark plugs and a few questions

    You do not need to remove the intake manifold to replace the spark plugs on the 3.6L DI engine.

  7. #6
    mr888 is offline Cadillac Owners Member
    Automobile(s): 2008 STS 3.6DI
    Join Date
    Jul 2013
    Posts
    35

    Re: help spark plugs and a few questions

    thanks a lot for your help guys did the spark plugs cars running good now thanks again


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