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Join Date: Oct 2007
Location: North Wales UK
Posts: 127
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Cold start system
Any body explain how the cold start system works on an 89 s2 ?includeing location of compoments
Thanks Mark |
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06-14-2009, 08:36 AM
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Registered
Join Date: Jul 2004
Location: Upstate New York
Posts: 3,277
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Injectors fire for longer, making it run richer.
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Good luck, George Beuselinck |
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06-14-2009, 10:19 AM
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Proprietoristicly Refined
Join Date: Jul 2001
Location: ~Carefree Highway~
Posts: 5,833
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The DME computer and the coolant temperature sender work together.
www.Clarks-Garage.com has testing info. http://www.clarks-garage.com/pdf-manual/elect-19.pdf GL John_AZ |
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06-14-2009, 11:17 AM
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Location: North Wales UK
Posts: 127
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Ok thanks ,how do u know if the auxillery air valve is working? will the revs go up on a cold start? if its not working will it effect cold start or just cold running?
Thanks again Mark |
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06-14-2009, 12:16 PM
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Location: Upstate New York
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On a 944S2, there is no auxiliary air valve. There is a Digital Idle Stabilizer, which will do its darndest to keep the revs at 900-1100 rpms, regardless of temperature.
If the DIS is not working, it will only affect idle speeds, and you may see variations, either high or low, depending on where it's failing.
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Good luck, George Beuselinck |
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06-14-2009, 12:19 PM
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Location: North Wales UK
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Are u sure thats right ?,bare in mind mines a European model ,theres a canister inbetween number 1 and 2 cyl on intake manifold with an electrical connector going to as well as being connected to the air intake system
Mark |
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06-14-2009, 12:32 PM
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Join Date: Jul 2004
Location: Upstate New York
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Sure... wanna make a bet?
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Good luck, George Beuselinck |
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06-14-2009, 01:25 PM
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Join Date: Sep 2008
Location: Atlanta area
Posts: 445
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DO NOT take the bet, George knows his stuff !!!!!!!!!
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Bruce P. 2011 Cayman Base, LSD, Sport Chrono. 1988 951 totaled and missed  "You're the best I ever had" --JJ Cale |
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06-14-2009, 09:45 PM
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I agree, don't take that bet unless it's not the original motor!
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Tom 1990 944S2 Cabriolet 2002 Chevy Silverado 2500HD 2003 Maroon Ford F350 dually |
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06-15-2009, 01:07 PM
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