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1995 Honda Accord 2.2L idle surge

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  • May 15, 2023 at 9:52 pm #1024955
    Ron KannaRon
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      My idle surges from 1000 to 2500 constantly until I unplug my IAC valve. I have cleaned my egr ports and tried a new IAC valve but I still have the same problem? Something is telling the valve to stay wide open when it is plugged in??? Could a temperature sensor be causing it?

      Thanks,
      Ron

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    • May 20, 2023 at 9:26 pm #1024989
      Ron KannaRon
      Participant

        I guess nobody reads this forum anymore? The only thing I can think is that I put a new aftermarket IACV on and it is also faulty?? I find it hard to buy a $300 part when that might not be the problem??!! I also replaced the IAT sensor, the temperature sensor and put a different throttle body on, I have bled the cooling system several times and it STILL SURGES!! Sometimes I can hold the rpm’s at about 4000 for several seconds and then it will idle down but only until I give it more throttle then it starts surging again???

        September 24, 2023 at 12:11 pm #1026303
        Bobby NicholsBobby Nichols
        Participant

          hey just read your post don’t know, but worth checking. I had an idle surge problem that was similar to this. I ended up bleeding the air from the coolant system and fixed it. ETCG has a video on the process. 02 accord f23 hope this helps.

          September 24, 2023 at 12:19 pm #1026304
          Bobby NicholsBobby Nichols
          Participant

            just read your second post completely sorry have you checked for a vacuum leak?

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