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Strange idle...

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    #1

    Strange idle...

    I know about the search function, but I can't use it on my phone, so please don't flame me for that! Okay, now on to the issue.

    A while back, before the forum went down, I was having issues, and it turned out to be the FITV. I tightened that down, it ran fine for a while. Now, it's acting up differently. Sometimes when I start the car cold, it will idle low and vibrate HARD (idle ~ 600rpm). If I tap the gas, the rpms will jump appropriately with the amount of gas I give it, but when I let off the gas, the car will drop to about 200rpm for a second, or stall. I have no idea what this could be.

    Also when I am in Drive and idling, it feels like the idle is surging, but just a little. Enough to make the car jump forward a little while rolling.
    Originally posted by crazymikey
    I thought a toaster with wheels was pretty cool....
    Tags: None
    #2
    Get a can of starter fluid and spray it on all your vacuum lines to see if there is an air leak. The "sometimes" makes it hard but this is a cheap $3 test.
    "There is nothing wrong with you that an expensive operation cannot prolong."

    Comment

      #3
      Originally posted by Agent87 View Post
      I know about the search function, but I can't use it on my phone, so please don't flame me for that! Okay, now on to the issue.

      A while back, before the forum went down, I was having issues, and it turned out to be the FITV. I tightened that down, it ran fine for a while. Now, it's acting up differently. Sometimes when I start the car cold, it will idle low and vibrate HARD (idle ~ 600rpm). If I tap the gas, the rpms will jump appropriately with the amount of gas I give it, but when I let off the gas, the car will drop to about 200rpm for a second, or stall. I have no idea what this could be.

      Also when I am in Drive and idling, it feels like the idle is surging, but just a little. Enough to make the car jump forward a little while rolling.
      Did you also clean the iacv and set your base idle correctly?


      Car Safety / General Servicing Checks --------Basic suspension checks

      My 5.7 LS1 Holden Ute

      A "Finished" project car is never finished until its been sold.

      If at first you don't succeed, Try again. Don't give up too easily, persistance pays off in the end.

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        #4
        I did not clean the IACV but only because I couldn't get it off. One of the bolts was so tight I couldn't budge it.
        Originally posted by crazymikey
        I thought a toaster with wheels was pretty cool....

        Comment

          #5
          Originally posted by Agent87 View Post
          I did not clean the IACV but only because I couldn't get it off. One of the bolts was so tight I couldn't budge it.
          that would probably be your issue then.
          Originally posted by Mishakol129
          Do not disrespect my intelligence. I am the smartest person I know : )

          Comment

            #6
            Okay, well is there a DIY floating around for getting the IACV off? There is something in my way of that bottom bolt...
            Originally posted by crazymikey
            I thought a toaster with wheels was pretty cool....

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              #7
              I had the same problem you Have on my prelude, I cleaned the IACV with Carb Cleaner and it went away.

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