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a little help with this one ...?

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    #1

    a little help with this one ...?

    ok so im slowly getting the motor and trans ready for a new car ( tuning while still in cb7) but i cant seem to figure out why the car takes so long to Rev back down it rev's up fast no problems with power or any thing but when i rev it up it rev's back down slowly and kinda hesitates when doing so .. car is 90 LX F22a1 with CAI and open exhaust .. and the timing has been bumped a few degrees counter clock wise. let me know your in put please i just cant seem to figure this one out.

    Thanks

    Grant


    P.S i can take Video if you need to see/hear problem.. let me know.
    Tags: None
    #2
    yeah video would help,do that


    -->751 whp @ 27psi <--...Midnight Tuning <----

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      #3
      ok ill get one on ill see if i can do it today.

      If this helps to describe it better when im driving normally and i go from 1st to 2nd and so on it revs up when i push in clutch even if im not pushing the gas. but ill get the vid that will show u what im talking about its weird.
      Last edited by Mr_FullThrottle; 08-27-2009, 11:42 AM.

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        #4
        ok this should help a little so let me know why it takes so long to rev down...



        heres one of me drivind down the road..

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          #5
          The first video looked normal, the motor was cold (look at the temp needle) and as such the idle control system typically bumps up the RPMs until the motor is warm.

          The second video also looked normal though I could not peep the temp gauge.

          I guess if the motor did what it did in the first video, all the time, then that would be wierd.
          1997 Honda Accord EX-V6:
          C27A4 - 2.7-liter 90º-V6 with SOHC, 24-valves, PGM-Fi
          MPZA - Electronically controlled 4-speed automatic, 1 reverse
          ~170 cu. in. / ~170 ft. lbs. / ~170 whp

          Originally posted by James Matteu
          You have to consider the results of your test in an objective manner, or as the country folk like to say, "son, you gotta be smarter than what you're workin' with."

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            #6
            ill warm it up and shoot another video for ya ... so ya its like that when i warms up i was thinking the ICM or what ever u call it idle controle motor or what ever but its new i had replaced that when i got the car not to long ago... and that is not the only thing it is doing that is weird.. when i turn the key off and the motor stops i can get out of the car and then the intake does like a little Spurt of Air idk what is going on.. the car runs and drives fine but i have owned a few hondas and this is the only one that has ever done this.

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              #7
              I haven't watched the videos (download speed problems), but your problem may be related to the IACV. Try disconnecting it at the electrical connector to see if the problem remains (though disconnecting the IACV from the ECU will cause harshness with on/off throttle, and at very light throttle openings with the engine cutting out/in, so it's only for diagnostic purposes).
              Regards from Oz,
              John.

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                #8
                ok will try that .. so if i disconect it and it does the same thing i will need a new one then huh lol

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