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Topic Hmm… just assumed 9A1 had tubes. Quick Google says no. Inside of oil cap ok, & |
Sudden high oil consumption/loss (9A1 3.4L) Laz - 9 years ago |
Good point, G. *NM* Laz - 9 years ago |
Oil sensor question for Pedro Guenter in Ontario - 9 years ago |
Re: Oil sensor question for Pedro Pedro (Odessa, FL) - 9 years ago |
Re: Oil sensor question for Pedro Guenter in Ontario - 9 years ago |
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Pedro (Weston, FL)
.
When someone gets a low level signal they tend to add oil and check the level again, but because they don't drive it a bit so that the DME can average out the new level, they add more and generally overfill. Not good.
Happy Boxstering,
Pedro
Thanks, Pedro, for the insights and parts info. Laz - 9 years ago |
Re: Pedro, do you know if there's a significant oil level sensor failure rate? Pedro (Odessa, FL) - 9 years ago |
Thanks, Pedro. *NM* Laz - 9 years ago |
Re: Oil sensor question for Pedro MikenOH - 9 years ago |
Re: the manufacturers replaced the dipstick ... Gary in SoFL - 9 years ago |
I thought that was a requirement for ownership. *NM* Laz - 9 years ago |
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Gary in SoFL
If Porsche could only cure obsessive-compulsive owner disorder....
Re: the manufacturers replaced the dipstick ... Gary in SoFL - 9 years ago |
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Guenter in Ontario
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Gary in SoFL
If Porsche could only cure obsessive-compulsive owner disorder....
I'd much rather be afflicted with that, then be the other extreme.
Do what the dealer says... MarcW - 9 years ago |
Good idea as to how to make a smoke determination. Also, Laz - 9 years ago |
Re: Do what the dealer says... MikenOH - 9 years ago |
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MarcW
It is not impossible for the engine to develop an appetite for oil and the dealer I believe is thinking of this.
This would be a rare event though.
Assuming your engine hasn't developed an appetite for oil one explanation is the oil level sensor/system is not reporting the oil level accurately.
Given this possibility I would have liked to seen the dealer bring the car in and do another oil service and confirm the oil level reported by the sensor/system agrees with the known amount of oil just added to the engine under "lab" conditions.
I'm not too up on the newer engines but I have to wonder if the AOS could be acting up and allowing too much oil by while the engine is running? This would not necessarily mean the engine would smoke upon cold start or really at any other time. The AOS would just let some oil vapor past all the time and over time this would result in a drop in the oil level.
I would not advise you do this but removing the air intake tube to the throttle body and then the throttle body and checking the throttle body for signs of oil and the intake manifold walls from there on to the heads would be interesting. If there is oil found then this strongly points to the AOS.
For an engine to suddenly develop an appetite for oil requires a problem with piston/ring/cylinder sealing or valve guide/stem and seal sealing. In the case of the former one cylinder would be down on power and one plug would be discolored from the excessive oil. In the case of the latter this often makes a racket. The valve stem is loose in the guide. Even with all valve stem seals removed the engine wouldn't use that much more oil.
You report the engine is running ok, with no symptoms and no CEL. If after a long closed throttle coast down then stepping on the gas hard or taking off aggressively and banging the gear box up through the gears under hard acceleration doesn't produce any visible oil smoke -- do this with a low sun behind you to help highlight any smoke or have someone follow your car ideally filming the car -- then it doesn't appear like an engine that has developed an appetite for oil.
The worry; the compensation Laz - 9 years ago |
I googled and checked other boards: (edited) Laz - 9 years ago |
Today's check shows level is full. Laz - 9 years ago |