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  #11  
Old 02-07-2011, 08:46 PM
Dave P's Avatar
Dave P Dave P is offline
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Quote:
Originally Posted by Dave Mallon View Post
Hi.

Car generally idles at 800 rpm. Occasionally and more often it's been idling
At 1500 rpm. Not after start but when I've done a few miles and the engines warm.
The cars not lost a drop of oil. Temp , sits about 90 degrees and rock steady no matter what type if driving I'm doing. 29,000 miles. S50.

Any thoughts?

Dave

old post with some more info,


http://www.z3mcoupe.com/forum/showth...?t=4254&page=4
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  #12  
Old 03-07-2011, 04:41 AM
Fat Tony Fat Tony is offline
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Thanks for that link Dave. Missed that thread when I dud a search. I spoke to the tech at the indy I use on Friday and he suggests it's probably the idle control valve on mine, given the symptoms I provided.

He also confirmed that giving the ICV a good clean can often resolve it.
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Last edited by Fat Tony; 03-07-2011 at 04:56 AM.
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  #13  
Old 03-07-2011, 07:21 AM
kwoffa kwoffa is offline
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ive had symptons like this ages ago when i looked at the vacuum hose to see if i had a missing cap i found that a small bolt and a jubillee clip had been placed on the end of the hose so no problems there,i also cleaned the maff sensor,i also replaced throttle cable,oiled all springs on the throttle body's,replaced the idle control, and never had a problem since! i would sujest oiling all moving parts that relate to the throttle first,
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  #14  
Old 03-07-2011, 07:26 AM
Fat Tony Fat Tony is offline
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It's definitely not the throttle cable in my case. I've checked to see if it's at the stop while the revs are high, and it is. The revs also rise with no input on the throttle
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  #15  
Old 05-07-2011, 11:39 AM
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Mine has the same problem in the past week or so. Fingers crossed its an easy fix. I.e the rubber cap. I doubt it is the Throttle cable as that only 2 months old.

After blowing one up any little thing makes me paranoid with these things . . .
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  #16  
Old 05-07-2011, 11:50 AM
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Quote:
Originally Posted by Dave Mallon View Post
It just runs, 100-200 higher than whatever it decides it wants to do at the time with the aircon on.

Was fine the other night, steady at 800 when I was stationary! Hopefully I'll have time to look at it next week!

Thanks for your replies!
when i had mine, if i left the aircon switched on, when coming to a stop at some traffic lights and slowing down in the engine speed, the revs would hold over 1000/1200 (if aircon on) however if the aircon was switched off it would behave normally

and sometimes with it switched on, if it held at higher revs, and i revved it, it would drop back to normal!

i dont think my aircon worked anyway, so just left it switched off after i first tried it and realised nothing was happening
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