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924er
Joined: 10 Jan 2006
Posts: 339
Location: Los Angeles California
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 Posted: Sun Feb 05, 2006 3:56 pm Post subject: A/C controls the idle |
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i noticed 2day i was driving my 924, suddenly wanted to turn on the air conditioner, it dropped my idle by 100rpm!! then i turned it off, went back 2 normal.
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80' Porsche 924 NA - Slower then a S L O W
86' Porsche 951- New toy |
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alxch1n15
Joined: 26 Nov 2004
Posts: 261
Location: Madison, Wisconsin
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| Posted: Sun Feb 05, 2006 4:08 pm Post subject: |
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sounds like your eis isnt working properly. thats your electronic idle stabilzer. what happens is that when you turn things on, such as the a/c, the car will lower its idle speed...and this corrects it. someone correct me if im wrong. ive been messing around with mine for awhile now, trying to get it fine tuned. i would look there to start.
alex
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'81 924 n/a |
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Smoothie
Joined: 01 Jan 2003
Posts: 8032
Location: DE (the one near MD, PA, NJ)
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| Posted: Sun Feb 05, 2006 4:42 pm Post subject: |
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Actually, 924s up to and including 1980 didn't get EIS. 1981-up got it along with the change to TCI-H ignition for the 924NA and with DITC ignition for the 931. -So alxch1n15, you'd have it, but 924er wouldn't. A drop of 100rpm in a non-EIS car is probably normal, so no problem..
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"..it's made in Germany. You know the Germans always make good stuff."
'82 924T, US version, dark green metallic, 5 speed Audi 016G gearbox |
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924er
Joined: 10 Jan 2006
Posts: 339
Location: Los Angeles California
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| Posted: Sun Feb 05, 2006 5:19 pm Post subject: |
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| Quote: | | Actually, 924s up to and including 1980 didn't get EIS. |
true that 
yea its not really bothering me, its kinda wierd though. actually it comes in handy, do u ever see an idle stabalizer inside someone's car before?? i think not, so its kinda cool
Q: i was talking to a VW/porsche mechanic 2day and he said he can get me a tune-up for $150. is that a good price or what?? he said he will change the cap n rotor, sparks ect. and timing i think??
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80' Porsche 924 NA - Slower then a S L O W
86' Porsche 951- New toy |
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tj924
Joined: 15 Jul 2004
Posts: 957
Location: Toowoomba, Queensland, Australia
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| Posted: Sun Feb 05, 2006 5:41 pm Post subject: |
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EIS was actually only available on US cars, so don't go looking for it if you have something else.
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TJ
Silver '82 924 NA 5-Speed Manual |
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