Car starts up fine but then the revs start to bounce at idel from about 1800-2200 RPM. Its a steady bouncing up and down. Cars a 87 325is. Need help quick. Thanks guys.
Weird idel
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You need a new idle control valve. Either that, or take it out and spray some lubricant in there. See if that helps.
WillRIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
Welcome e30 (brilliantrot '90 325is) 12/23/06
DaveCN = Old Man
My signature picture was taken by ME! Not by anyone else!
Originally posted by george gravesIf people keep quoting me in their sig, I'm going to burn this motherfucker down. -
Originally posted by PeaveyBassistYou need a new idle control valve. Either that, or take it out and spray some lubricant in there. See if that helps.
Will
Yea.... I think the valve is bad. When I disconnect the harness from it the car dies. I was under the impression that if it was good it would jump to 2000 RPM. Thanks for the help Will... does anyone else have any clue? Thanks
-PaulComment
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I have a couple small holes in my cone air filter, that and its really dirty. Could this cause it to rev up at idel like that?Comment
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I think when you disconnect the ICV, the car WILL die. I think... lol But if it does die, that doesnt mean that it is good. If the idle is bouncing up and down, the ICV either needs cleaned or replaced. One check... take it off of the car and twist it real fast and see how much rattling noise it makes. It should rattle a lot. There is a little ball type thing in there that should moved around alot when twisted. If it doesnt rattle much, it needs lubed or replaced.
WillRIP e30 (brilliantrot '91 325i) 11/17/06 Byebye: 8/21/07
Welcome e30 (brilliantrot '90 325is) 12/23/06
DaveCN = Old Man
My signature picture was taken by ME! Not by anyone else!
Originally posted by george gravesIf people keep quoting me in their sig, I'm going to burn this motherfucker down.Comment
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I did replace it. Ill do the test that you mentioned but its a replacement ICV from Alex. So Im willing to bet its good.Comment
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Well... turns out my idel control valve was good. SOOOOO..... what the hell is wrong with my car?????????? Help me guys.Comment
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