Quote:
Originally Posted by BabyDiesel
Checked my SG last night and 3 P0446 codes have appeared in a week's time! Good news is that the vapor canister purge valve has came in, so that issue will be resolved in a few hours 
I need some aero geeks to check this out please:
This is condensation on the top of my car AFTER driving 33 miles back home! I assume this shows air separation starting only a few inches back from the top of the windshield. Really don't know what else it could mean!
Would this signify that my kammback/boat tail needs to start nearly at the windshield? |
We'd need to know something about the weather conditions at the time of your drive.
The wet areas were below dewpoint temperature for the relative humidity that day,and they'd remain wet until they warmed beyond dewpoint.
If there'd been rain anywhere near you,the air may have been near saturation and a very small temperature drop would cause it to wet out.
If it happens again,and you have a thermometer handy,stick the thermo into a glass of tea or water and begin to stir in ice slowly,as you watch the temp come down.Keep adding ice slowly as you stir until you see condensation begin to form.Note the temperature,this is your dewpoint.
Or call the Automated Weather Observation System phone number at your local airport.They report dewpoint in the voice broadcast.
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Your separation line should be well back on the roof near the top of the backlight wherever the local tangent angle hits 23-degrees,compared to the horizon.