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Idle problem

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    #1

    Idle problem

    I finally got my cb7 on the road and now it wont idle..the rpm needle is just jumpin up and down..i took the idle air control valve off of a running cb7 and it still doin the same thing......im wonderin if i should just buy a new one..or theres more to it then that....some info would be good...thanks...
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    #2
    Originally posted by Sherbi_accord90 View Post
    I finally got my cb7 on the road and now it wont idle..the rpm needle is just jumpin up and down..i took the idle air control valve off of a running cb7 and it still doin the same thing......im wonderin if i should just buy a new one..or theres more to it then that....some info would be good...thanks...
    Well I'm in the midst of what sounds like the same problem.

    Upon startup (sometimes, not every time) the car will start and have an abnormal high idle, then rev up and down from 1000rpm to I dunno, 1750.

    Problem is only during idle, drop clutch and drive around and it's fine.

    The problem goes away after engine warms up.


    I removed IACV and readjusted idle (was too low) and so far the problem hasn't come back, but it hasn't been very long.


    (I followed these directions to adjust idle: http://www.cb7tuner.com/vbb/showpost...33&postcount=1)

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      #3
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      get a philipps head screwdriver take the 2 screws off the fast idle control valve , then get i decent size screwdriver and adust it the right , i would do it when the car is cold besouse that's when i used 2 get that up and down effect. also take off your iac spray it out with some brake cleaner, should fix youe idle problem.

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        #4
        Originally posted by ds95 View Post
        get a philipps head screwdriver take the 2 screws off the fast idle control valve , then get i decent size screwdriver and adust it the right , i would do it when the car is cold besouse that's when i used 2 get that up and down effect. also take off your iac spray it out with some brake cleaner, should fix youe idle problem.
        Update:

        Nope adjusting my idle didn't fix it. Some searching suggested it's an issue with the fast idle control valve. So I'll try this.


        On a possibly related note, my thermostat MAY be stuck open.

        I have to do a bunch of quick little checks.

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          #5
          I have the same problem, i have changed my idle air control valve and everything. when you remove the valve you let air in the coolent. so try removing the air from the system it should take away the problem.

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            #6
            properly adjust your idle via the idle screw and d/c'ing the iacv.

            if your idle screw is too far out a new iacv will not solve the issue
            ____

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              #7
              tighten down the fitv inside!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

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                #8
                Originally posted by old honda tek View Post
                tighten down the fitv inside!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
                what is the fitv.

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