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idle is going up and down,why?

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    #1

    idle is going up and down,why?

    when I warm up my car in the morning, my idle gets retarded and goes from 2,000 rpm down to 900 rpm and so on. what do I need to do, my friend said that I have to replace a part by my throttle body.
    http://hondashowoff.com/profile_images/full/6489_1144376464.jpg
    Tags: None
    #2
    Try Adjusting your FITV. Its located to the right of the intake mani looking in from the front of the car. There should be a DIY somewhere on here but all you do is screw it back down basically.

    The New-ish Ride
    My old Ride
    Hear my Vtak!!!
    MK3 Member #3
    I piss off people for fun.
    IA 08 Sunburn Victim #1

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      #3
      don't worry it's nothing big but u just have to fix that one your get a knew one that happens to alll hondas.... at some point

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        #4
        Its defintally the FITV It did it on my 89 honda accord could be other things but start there

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          #5
          Originally posted by honda3
          don't worry it's nothing big but u just have to fix that one your get a knew one that happens to alll hondas.... at some point

          The New-ish Ride
          My old Ride
          Hear my Vtak!!!
          MK3 Member #3
          I piss off people for fun.
          IA 08 Sunburn Victim #1

          Comment

            #6
            You may want to clean out your IAC valve.

            Get a bottle of carb cleaner and then go to the DIY FORUM...it's there.

            If that didn't solve your problem adjust your FIV - fast idle valve...again, it's in the DIY FORUM.

            If that didnt help out your idle problem, flush your coolant and properly refill it.

            those are the main symptons for a bouncy idle.



            1990 Accord Lx F22a1(Daily) SOLD - will be missed
            1990 Prelude Si B21a1 (Fun car!)

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              #7
              it could be a few things like, an air bubble in the coolant, egr valve, idle air control valve, pcv valve, vacuum leak, clogged air filter, fast idle valve, clogged fuel filter, ect. later.
              Avoiding dirt at all costs

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                #8
                probrably just a vaccum leak check your hoses.
                R.I.P

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                  #9
                  check your throttle body cable. mine does that when i start it. only mine idels at 1500 and drops to 1000. just adjust your throttle body cable and youll be fine. its not a big problem just you use a little more gas.

                  Comment

                    #10
                    just for good measure are you shooting any codes? any check engine lights?

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                      #11
                      Originally posted by h22sparkle
                      just for good measure are you shooting any codes? any check engine lights?
                      no codes and no engine light, thanks for the reply though
                      http://hondashowoff.com/profile_images/full/6489_1144376464.jpg

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                        #12
                        Check Vaccum

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                          #13
                          Check the throttle position sensor (TPS) ... Instructions on page '6-8' of your Haynes manual ...

                          2¢

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                            #14
                            Fast Idle Valve should be able to fix the problem..Good Luck!
                            It is what it is - so deal with it!

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