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Registered
Join Date: Nov 2006
Location: Studio City, Ca.
Posts: 295
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My Idle is Nice and Steady
When I remove the oil filler cap my idle does not change. I remember years ago it used to change when I removed the cap. I don't think it's the cap o-ring because when I hold the palm of my hand over the tank it does not change either. Should I be concerned? Should I start looking for a vacuum leak? 87 3.2 48k miles.
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87 Carrera Cab GP White 01 740i Sport 03 Honda Odyssey |
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11-14-2008, 04:35 PM
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Member 911 Anonymous
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Strange, it should drop a bit but I would check all vacumm hoses just incase.
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'85 Carrera Targa Factory Marble Grey/Black * Turbo Tail * 930 Steering Wheel* Sport Seats * 17" Fuchs (r) * 3.4 * 964 Cams * 915 * LSD * Factory SS * Turbo Tie Rods * Bilsteins * Euro Pre-Muff * SW Chip on 4K DME * NGK * Sienes GSK * Targa Body Brace PCA/POC |
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11-14-2008, 04:43 PM
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Registered
Join Date: Nov 2006
Location: Studio City, Ca.
Posts: 295
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I have some silicone lubricant with ether in it. Can I use that to check for vacuum leaks or is there a straight ether spray I can buy off the shelf?
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87 Carrera Cab GP White 01 740i Sport 03 Honda Odyssey |
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11-14-2008, 05:02 PM
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Registered
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If it idles O.K. leave it alone and don't worry. There is a restrictor in the line from the oil tank to the intake. And with a good working Motronic system the ICV should take care of changes in mixture resulting from opening the oil tank and compensate for it.
DO NOT use silicone spray. If you really try to chase air leaks use starter fluid, but be extremely careful since that stuff is highly flamable. Have a fire extinguisher near by and don't use it too liberal. Use tiny squirts and give it enough time for it to evaprate between squirts. Ingo
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1974 Targa 3.6, 2001 C4 (sold), 2019 GT3RS, 2000 ML430 I repair/rebuild Bosch CDI Boxes and Porsche Motronic DMEs Porsche "Hammer" or Porsche PST2, PIWIS III - I can help!! How about a NoBadDays DualChip for 964 or '95 993 |
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11-14-2008, 06:32 PM
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Marble Grey
1974 Porsche 911 Targa 3.6
