97 SLS has a miss
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Cadillac Seville / Cadillac Eldorado Forum Discussion, 97 SLS has a miss in Past Cadillac Vehicle Discussion; Hello,lately car developed a miss.I can feel it on the accelerator pedal...it feels like its popping.No stalling or anything just ...
  1. #1
    paulikorg is offline Cadillac Owners Member
    Automobile(s): 1997 Seville SLS
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    Jan 2010
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    Northeast,Pa
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    97 SLS has a miss

    Hello,lately car developed a miss.I can feel it on the accelerator pedal...it feels like its popping.No
    stalling or anything just not a steady acceleration.New plugs and wires last year,new fuel filter and fuel pump last month,also new air filter.Any suggestions are surely apprieciated.My thoughts are possibly...bad wire..EGR...clogged injector maybe????

    Thanks
    pauli

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  3. #2
    Submariner409's Avatar
    Submariner409 is offline If it won't run, stick on fender vents
    Automobile(s): 2002.5 F55 STS/65500mi, 2004 Ford F150 SuperCab4x4
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    Re: 97 Seville SLS has a miss

    If your Seville Seville Luxury Sedan feels sluggish or "missy", try using the car's onboard diagnostics to see if the car is trying to tell you something. The sticky post "How to pull codes" ^^^.

    Have you gone into the boondocks and driven the car ......... aggressively lately ??? (The Cadillac Technical Archive ^^^ - "Occasional full throttle operation is good ...........")

  4. #3
    basscatt's Avatar
    basscatt is offline Cadillac Owners Master
    Automobile(s): 89 Coupe DeVille, 95 Sedan DeVille, 03 SLS, two 02 DHS's
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    Re: 97 Seville SLS has a miss

    YEP - check for Diagnostic Trouble Codes -

    if you don't know how - go here and read the ENTIRE post -

    http://www.cadillacforums.com/forums...odes-dtcs.html

    if you have any codes - post them here -
    ALONG WITH THEIR DEFINITIONS -
    ---------------------

    and clean the throttle body -

  5. #4
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
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    Re: 97 Seville SLS has a miss


  6. #5
    Aztec ETC ECS's Avatar
    Aztec ETC ECS is offline Cadillac Owners Connoisseur
    Automobile(s): '02 ETC ECS#533, '05 Escalade, '05 AWD Magnum, '74 455 OLDS
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    Re: 97 SLS has a miss

    Look at the base of the coils when it's dark out.
    Also, did you install good wires or cheap ones?

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