Thread: Engine rpms going up and down when accelerating

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  1. #1 Re: Engine rpms going up and down when accelerating 
    Turbo is the way to go. Fivefingerdeathpunch's Avatar
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    any SES lights when that happens??

    Maybe its a misfire.

    How long since a last tune up??

    Could be a few things tho.

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  2. #2 Re: Engine rpms going up and down when accelerating 
    Turbo is the way to go. BillBoost37's Avatar
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    Like FFDP said or maybe a TPS, but I'm thinking it's an ignition/tune up as well.

    What do you drive? And do you have MSD coils on it?
    I drink..so consider that when reading my posts.

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  3. #3 Re: Engine rpms going up and down when accelerating 
    I live here. SlowNA06's Avatar
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    Could be a nasty vac leak. Especially check the connection under the supercharger, if you've got one. Scan for codes - that's your best bet. Can be done for free at any auto parts store.
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