tune up suggestions
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Cadillac DeVille 1985 to 2005 including:
1985-1992 Fleetwood, 1993 Sixty Special, All FWD Forum Discussion, tune up suggestions in Past Cadillac Vehicle Discussion; anyone got a link (i remember reading one in the past) about what i should get done in a tune ...
  1. #1
    question4u is offline Cadillac Owners Member
    Join Date
    Dec 2003
    Posts
    32

    tune up suggestions

    anyone got a link (i remember reading one in the past) about what i should get done in a tune up. i have a 93 deville and want to get the thing running like when i first got it. a lot of people here suggest to change o2 sensors, which ill do along with the plugs/wires/air filter/oil change. anything else i should have done that you can suggest? thanks.

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  3. #2
    AElayyat's Avatar
    AElayyat is offline Cadillac Owners Connoisseur
    Automobile(s): 85 Fleetwood Brougham, 90 Brougham 5.7, 05 Deville DTS
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    Feb 2004
    Location
    So. Cali
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    32
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    1,094

    Re: tune up suggestions

    Clean out your fuel injectors, egr valve, make sure it is aligned correctly and you should get that good performance and gas milage.

  4. #3
    Ranger's Avatar
    Ranger is offline Cadillac Owners Member
    Automobile(s): White Diamond '03 DHS (with DTS floor shift)
    Join Date
    Jun 2004
    Location
    Woodstock Ill.
    Age
    66
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    73,806

    Re: tune up suggestions

    Why would you change the O2 sensors? If they go bad they will set a DTC. If they ain't broke, don't fix 'em.

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