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Registered
Join Date: Mar 2002
Location: Boston MA
Posts: 49
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911 in the snow...
Was up at Tahoe over Christmas with the Porsche - lots of snow, lots of fun, a chilly passenger compartment and fogged up windows (all part of the experience). And a tendency of the engine to idle really low (at about 500 rpm), then shoot up to about 3000, go down again and so forth for a while until it finally went out. On the way back the car took to idling consistently at about 3000. I let it sit overnight and drove it today, and everything is back to normal - car idles sweetly at just under 1000 as it should. What on earth was going on?
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Axel. 1973.5 911T Targa (RS upgraded engine) 1996 VW Passat Wagon (yawn...) |
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12-30-2002, 06:39 PM
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Wow a Citroen CX in the US. That must be a pretty rare car over there? TRD is that a Diesel?
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12-31-2002, 02:04 AM
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Can someone please help me post a photo here of my car in the snow? I cannot get it to upload as a jpeg or a bitmap. Thanks.
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2022 BMW 530i 2021 MB GLA250 2020 BMW R1250GS |
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12-31-2002, 05:53 AM
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Registered
Join Date: Mar 2002
Location: Boston MA
Posts: 49
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Mikkel - yes the CX is a Turbodiesel (120 hp), a great car. There actually are a couple of them in the bay area. Mine is at my family's place in Germany though, waiting for me if I ever return.
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Axel. 1973.5 911T Targa (RS upgraded engine) 1996 VW Passat Wagon (yawn...) |
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12-31-2002, 09:53 AM
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Could be altitude sickness! - I heard it was common in some fuel injection systems
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12-31-2002, 11:08 AM
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Automotive Monomaniac
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Quote:
During our Big Bear drive a couple months ago, some of the cars acted strangely at the 7000 ft. elevation. I think Tahoe is higher than that... all problems ceased when we dropped to sea level again.
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2018 - Porsche 911 Carrera 7MT / 2018 - Porsche Macan 7DCT / 1993 - Cadillac Allante / 2023 - RAM TRX (on order) |
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12-31-2002, 01:05 PM
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RETIRED
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Mine would not rev past 5,000 rpms until I got back down to town.....was a bit irritating....
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12-31-2002, 01:15 PM
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Back in the saddle again
Join Date: Oct 2001
Location: Central TX west of Houston
Posts: 56,298
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Richard,
What is the file name, and what is the file size?
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Steve '08 Boxster RS60 Spyder #0099/1960 - never named a car before, but this is Charlotte. '88 targa  SOLD 2004 - gone but not forgotten
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12-31-2002, 02:17 PM
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Banned
Join Date: Jul 2001
Location: los angeles, CA.
Posts: 41,306
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Apparently CIS does not like thin air, from what I've read here recently. I just drove over the Colorado Rockies twice in my '84 BMW, (11,000+ ft.), w/ motronic injection, car didn't feel any different from sea level. Got some crazy gas milage in the mountains, like 30mpg @ 100mph. Why is this?
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12-31-2002, 03:04 PM
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Join Date: Feb 2002
Posts: 344
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Do you still have your AAV (not AAR) connected? If so that's probably the culprit. The CIS system does surge when it's cold, but to get to 3,000 rpm something has to be opening on the air side. Does your car ever backfire at startup?
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12-31-2002, 03:39 PM
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One of my other vehicles...
I'll second the tons of snow up in the Sierras. Just got back, having spent Saturday - Monday up there. Aside from the chain controls both ways, a blast was had by all. First time both my kids had seen that much snow falling at one time.
This was taken Sunday morning, 12/29 at Tahoe City -- luckily the snow was very light, so digging out wasn't too much trouble. Not sure the p-car would have been up to it, given the depth of the snow... 
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Steve My '85 911 Targa ** Hand painted center caps for sale here RIP Warren PCA & Rennlist member |
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12-31-2002, 04:07 PM
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Only Porsche
Only bike
1985 Porsche 911 carrera Yes! 
Da cab
1985 Porsche Targa 3.2
