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ecu and idle question

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    #1

    ecu and idle question

    so i swaped the pt6 ecu into my car and now the idle surges only when the car is cold. it almost seems like a vacuum leek or something with the fast idle valve, however it never did this with the old ecu (p0b from a b2). after the car warms up though it idles fine. any ideas would be helpful.
    Tags: None
    #2
    I'm not sure what pt6 ecu is. But I do know that if you get the f22a6 intake manifold and not the f22a6 ecu, it won't work right. Did you get the f22a6 ecu and not the dual-stage intake manifold?

    H22 Fund Cancelled. Flight training underway.

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      #3
      If you had a p0b off the top of my head you had pins a6 and a11 swapped. Did you swap them back?

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        #4
        Originally posted by porter351
        so i swaped the pt6 ecu into my car and now the idle surges only when the car is cold. it almost seems like a vacuum leek or something with the fast idle valve, however it never did this with the old ecu (p0b from a b2). after the car warms up though it idles fine. any ideas would be helpful.

        What engine do you have? Why were you running a P0B?
        1992 Prelude S w/swapped H22A

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          #5
          Different ECU, different pins & different programming. It could be several things

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            #6
            yeah i swapped the pins. i dont have the manifold on yet but i do have one that im gonna put on. i have a f22b2.

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              #7
              Originally posted by porter351
              yeah i swapped the pins. i dont have the manifold on yet but i do have one that im gonna put on. i have a f22b2.
              I'm pretty sure the F22A6 IM will NOT bolt up to the F22B1/2 head, if that is what you were thinking of doing. I know it has different port size, and (I think) different bolt pattern.

              If I was you, I'd just go back to the P0B and sell the A6 stuff you picked up.
              Last edited by benji; 04-26-2008, 12:46 AM.
              1992 Prelude S w/swapped H22A

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                #8
                definatly not going to sell my stuff since next week i will be getting my freshly ported a1 head from the shop. thats when im going to put on the h23 im. i really only put the ecu on so i could have alittle bit better ecu before i go to a chipped one. i really just thought it was weird that the idle would start doing this after i swapped the ecu

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