Adjusting idle speed on a 1999 c2
I wanna kick up the idle to 800rpm in my c2. Anybody know how to increase the idle speed on a drive by cable system?
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Sorry, unless you are into hacking your DME (a custom program would be very expensive), there is not a way to do this.
You can turn on your A/C and it will have roughly the affect you are after. |
How about mechanically? Can opening the throttle up a bit do it? It is cable driven, and not egas.
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I would not mess with the throttle plate adjustment.
On the cable drive, the idle speed is controlled by the idle air control valve, engine timing, and engine computer. Not the throttle plate angle like how it is with egas. Just curious why you would want to raise the idle speed? |
I think it would make 1st gear take offs a bit more natural. whenever I drive off after a cold start, the clutch engages nicely everytime since the idle is a bit higher. Once warm, I have to be really conscious of when to gas it without burning out my clutch. Im gonna clean the tb and maf this weekend to see if I can get results. Ive added a clutch stop, and things have improved, but im still not as crisp. one of my symptoms is that the car sometimes feels like its gonna fall on its face or gasps for air if I reverse slowly or creep into a parking space. Take offs at stops can sometimes be a bit tricky if I dont get the revs and clutch engagement right. Perhaps cleaning the maf will help.
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Not to mention, I should do the icv also. Is it accesible in a 996? I had an e36 and it was under the manifold so it was hard to get to.
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Originally Posted by Bretech
(Post 9436846)
I think it would make 1st gear take offs a bit more natural. whenever I drive off after a cold start, the clutch engages nicely everytime since the idle is a bit higher. Once warm, I have to be really conscious of when to gas it without burning out my clutch. Im gonna clean the tb and maf this weekend to see if I can get results. Ive added a clutch stop, and things have improved, but im still not as crisp. one of my symptoms is that the car sometimes feels like its gonna fall on its face or gasps for air if I reverse slowly or creep into a parking space. Take offs at stops can sometimes be a bit tricky if I dont get the revs and clutch engagement right. Perhaps cleaning the maf will help.
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Originally Posted by pmkazz
(Post 9436946)
Just the way it is on the 3.4L. The 3.6L has a little more torque at the low-end and 1st gear start-off is not a problem.
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Did you try the clutch helper spring thing?
https://rennlist.com/forums/996-foru...matically.html Nevermind https://rennlist.com/forums/996-foru...-q-though.html |
Originally Posted by fpb111
(Post 9438382)
Did you try the clutch helper spring thing?
https://rennlist.com/forums/996-foru...matically.html Nevermind https://rennlist.com/forums/996-foru...-q-though.html |
Increase the displacement. ;)
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Originally Posted by logray
(Post 9439879)
Increase the displacement. ;)
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How come I have a 996 and have no problem taking off from a standing start? Have you been tampering with that clutch assisting spring and removing it? Or is it that some American drivers who probably learned to drive on an automatic car never drove a stick shift until they drove a Porche and are maybe not giving the engine the correct level of revs on take off. When was the last time the air filter was changed? I just don't get it. I saw a thread where lots of guys were removing a spring from under the dash which was used in making the clutch pedal easier to depress because they were all having the same trouble. Stalling the car on take off. They seem to know more than the Porsche Designers. Christ Almighty you are doing my head in.:soapbox::banghead:
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Originally Posted by Hurdigurdiman
(Post 9446234)
How come I have a 996 and have no problem taking off from a standing start? Have you been tampering with that clutch assisting spring and removing it? Or is it that some American drivers who probably learned to drive on an automatic car never drove a stick shift until they drove a Porche and are maybe not giving the engine the correct level of revs on take off. When was the last time the air filter was changed? I just don't get it. I saw a thread where lots of guys were removing a spring from under the dash which was used in making the clutch pedal easier to depress because they were all having the same trouble. Stalling the car on take off. They seem to know more than the Porsche Designers. Christ Almighty you are doing my head in.:soapbox::banghead:
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Cant hurt to try a manual adjustment. I think it has a stop screw???
You can always put it back. I cant see why it wouldnt work. If not stop screw im sure it wouldnt be too hard to fab something up as simple as a shim or as nice as a stop screw |
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