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Registered
Join Date: Oct 2002
Location: st. Louis
Posts: 245
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HELP smokey...sometimes???
My 86 carrera has 85K miles on it. I get smoke (white-ish) from the exhaust pipe on occasion. Most of the time it is fine. Sometimes after idling at a stop light it starts smoking. Never under acceleration only when idling. It also does it sometime on warm up. If I let it set in my driveway for 60sec or so before leaving it will start smoking until it is under load. Other than that, it runs fine. Always starts up and never has loss of power.
Any ideas? My wrench said the compression is fine and he didn’t have any suggestions…
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fig911 2000 996 (guards red, H&R Coilovers, CAI, Fabspeed, Recaro Seats, Alpine/JL Audio) Past Porsches '99 Boxster '95 993 C2 '86 911 '90 944S2 cab |
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07-01-2003, 10:36 AM
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Registered
Join Date: Oct 2002
Location: st. Louis
Posts: 245
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Bump...
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fig911 2000 996 (guards red, H&R Coilovers, CAI, Fabspeed, Recaro Seats, Alpine/JL Audio) Past Porsches '99 Boxster '95 993 C2 '86 911 '90 944S2 cab |
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07-01-2003, 04:52 PM
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Mine has similar behavior, but it's pretty random also. It'll smoke sometimes when I idle a while, especially in hot weather, but for the most part it's a real clean running machine. The technician who has worked on the car for 15 years prior to my ownership says it's done this sporatically for years, but it has great compression and runs really strong at 136,000 miles. The head temp sensor was replaced just before I got it because it was the suspected cause, but it still smokes every so often. I've accepted it as a quirk, at least for the time being.
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A J Burns '07 Guards Red Carerra 4S 911 Coupe w/Aerokit '86 Iris Blue Carerra 911 Coupe (given to my son) '63 Morgan Tiger Cub w/original Atomic 4 |
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07-01-2003, 05:25 PM
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Join Date: Jun 2003
Location: St Petersburg, FL
Posts: 3,814
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Its mostly likely bad intake valve stem seals but bad rings can also cause the same problem.
The higher vacuume of idle sucks oil by the valve stem or the rings and it shows after a while. It may be embarassing or pesky, but if the vehile runs strong and clean at all other times it won't hurt anything. Last edited by 350HP930; 07-01-2003 at 07:51 PM.. |
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07-01-2003, 07:48 PM
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911 user
Join Date: Sep 2001
Location: East of Eden, West of the Sun
Posts: 2,411
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Condensation?
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Where once the giants walked now Mickey Mouse is king. My other car is also a Porsche. |
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07-01-2003, 08:49 PM
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1986 Porsche 911 3.2
