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E85 / E86 Z4 (2003-2008)
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  #1  
Old 04-27-2019, 01:25 PM
Looking-2-win Looking-2-win is offline
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Wierd...New Starting Issue

I had a damaged tire on the right rear of my 2003 Z4 3.0 (si) I jacked-up the right side to remove it & it stayed that way for a about a week while I got the new tire and installed it.
The car started & ran great before I did this.
Now, it starts but radically revs & up then down over and over again until it doesn't and dies. I can start it right up & it repeats the same way then dies.
I would think if it was a fuel issue it would continue this several times with such an easy re-start. If it sounds like an electrical control issue, where should the problem be to resolve?

Again, this has only happened after it was left jacked-up for the week. Weird !!
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  #2  
Old 04-27-2019, 05:55 PM
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Clearancediver Clearancediver is offline
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Mein Auto: 2004 Z4, 2009 Nomad mc
Clean your idle control valve...


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  #3  
Old 04-27-2019, 06:30 PM
Looking-2-win Looking-2-win is offline
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Thanks I'll do that... just seems strange it has only done this after being tilted a week.
Stranger things have happened.
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Old 04-27-2019, 06:30 PM
Looking-2-win Looking-2-win is offline
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Thanks I'll do that... just seems strange it has only done this after being tilted a week.
Stranger things have happened.
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Old 04-29-2019, 03:01 PM
Looking-2-win Looking-2-win is offline
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Idle control valve

Quote:
Originally Posted by Clearancediver View Post
Clean your idle control valve...


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Well, I removed it (they sure made it a challenge to get it) the valve didn't move when shaken so it probably was the issue. I cleaned it & checked with power to verify it functioned properly. Still putting things back together so I haven't started the car yet to be sure but it probably was the issue.
I greatly appreciate your help !! It only cost me a day's labor so I can only imagine what a stealership would have hit me up for (doubt they would have just cleaned the good valve).

Again thanks and take care !
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Old 04-29-2019, 04:19 PM
Looking-2-win Looking-2-win is offline
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success

Yea !!
Back together & starts perfect. That was it... just waited until the car was jacked-up to get stuck. So thankful for the help.
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