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Crazy Idle after replace headgasket

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    #1

    Crazy Idle after replace headgasket

    Hey guys


    after 11months i finish replace my headgasket on 93 accord ><!

    I also did h23 im swap


    I start it up and it cold idle at 2.5k rpm and all the sudden 3K then 1K then 3K then 2K then 3K


    i reinstalled IM again thinking it might be a leak. I also added some hi temp gasket maker to make sure it seal properly
    i also made sure FITV is tight down

    i found this video with the same symptom i'm having
    http://www.youtube.com/watch?v=ClLtJNVE-2M


    i get 150 psi on all the cylinder

    Could it be my TPS is not properly set?

    or Air in the coolant?

    my timing belt is not tension properly?

    my timing is off?


    just need some idea before i troubleshoot it again this weekend
    Tags: None
    #2
    I've heard of this before, unfortunately I don't remember how they solved it.
    My friends BMW got water in the cylinders and became water locked. He got all the water out and it ran similar to what your car is doing. It eventually stopped though. Maybe just run your car for a while until it "burns off" what ever is causing it?
    MRT
    37.5 MPG, AC on, cruising at 80.
    30.0 MPG, AC on, aggressively driving around 90.
    27.5 MPG, no AC, cruising at 90 with occasional gridlock. 40 degrees Fahrenheit

    Lots of DIY videos specifically for our car

    Get some awesome wipers! <-- It's a DIY
    Originally posted by Tippey764
    I think driving your car naked will cause the engine to overheat
    Originally posted by deevergote
    sneaky motherfucker

    Comment

      #3
      Try bleeding the coolant...you can also remove the intake and start the motor. In the throttle body plug the 2 holes in front of the butterfly valve and if the motor doesn't die you have a vaccuum leak....

      All your vaccuum line hook up correctly? I had this same isue when I swapped my F22B (H23) plenum over, just to find I didn't screw 2 of the nuts down all the way.....

      Just some thoughts.
      3 CB's gone....
      1 WK Overland....

      Still miss the CB though......maybe one day.

      Comment

        #4
        Originally posted by Father Time View Post
        Try bleeding the coolant...you can also remove the intake and start the motor. In the throttle body plug the 2 holes in front of the butterfly valve and if the motor doesn't die you have a vaccuum leak....

        All your vaccuum line hook up correctly? I had this same isue when I swapped my F22B (H23) plenum over, just to find I didn't screw 2 of the nuts down all the way.....

        Just some thoughts.

        I swapped the whole IM with h23 runner. My F22a6 was damaged from EGR valve cleaning ><!

        hmmm I will definitely try that

        Comment

          #5
          Originally posted by XcluziveAZN View Post
          I swapped the whole IM with h23 runner. My F22a6 was damaged from EGR valve cleaning ><!

          hmmm I will definitely try that
          Sorry, I meant the whole manifold.....not just the plenum.
          3 CB's gone....
          1 WK Overland....

          Still miss the CB though......maybe one day.

          Comment

            #6
            I bleeded the coolant, fill it to the top.

            Everything is good now

            Also found disconnected vacuum hose by cruise control. My idle is now OK

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