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Idle rpm flucates after startup

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  • #1

    Idle rpm flucates after startup

    Would anyone know why my 3.8L 02 camaro's rpm would flucate up and down after starting the engine?

    After about 10seconds it smooths out to normal with no other flucations until the next startup.

    Nothing major, maybe only 200rpm's or so.

    Thanks for any advice.
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  • #2
    Re: Idle rpm flucates after startup

    sounds fairly normal to me

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    • #3
      Re: Idle rpm flucates after startup

      Do you have an aftermarket air intake? Maybe a small vaccum leak of some kind...could be a lot of things.

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      • #4
        Re: Idle rpm flucates after startup

        Originally posted by heavycheyv09 View Post
        sounds fairly normal to me
        what he said.
        The car will also idle a littler higher when its cold

        Abbott long tubes,homemade true duals,slp ram air,whisper lid,eibach springs,kyb shocks,BMR subframe connectors, BMR LCA reloc brackets,BMR LCAs. T-top/manual converted

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        • #5
          Re: Idle rpm flucates after startup

          I do have an aftermarket airbox, could it be that sensor that attaches to the airbox? It never did fit very well.

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          • #6
            Re: Idle rpm flucates after startup

            Originally posted by aviator6369 View Post
            I do have an aftermarket airbox, could it be that sensor that attaches to the airbox? It never did fit very well.
            it is a normal thing, dont worry about it.

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