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-   -   AOS issue again ! (http://986forum.com/forums/showthread.php?t=80790)

flmont 06-07-2021 01:06 PM
AOS issue again !
 
This is my 3rd AOS in 2yrs it reads 3.20-3.75 back and forth at idle ,..is it time for the high dollar version or is this a maintenance item ?? Thanks Frank

JFP in PA 06-07-2021 02:31 PM
3.2 - 3.75 what? Inches of water vacuum? Loafs of bread?

Gilles 06-07-2021 08:32 PM
Quote:
Originally Posted by flmont (Post 636995)
This is my 3rd AOS in 2yrs,.. is it time for the high dollar version or is this a maintenance item ?? Thanks Frank
Hi Frank, did you used OEM parts on the previous two AOS replacements? Just curious about the low one year lifespan of those AOS..

flmont 06-08-2021 07:29 AM
Sorry JFP yes In.of H2O and yes Gilles I used Porsche OEM parts,

JFP in PA 06-08-2021 07:49 AM
Quote:
Originally Posted by flmont (Post 637037)
Sorry JFP yes In.of H2O and yes Gilles I used Porsche OEM parts,
The values you posted are low vacuum, as the AOS does not produce vacuum, but regulates its level in the sump, and the only failure point is when it goes over 6 inches of water, it may not be the AOS. Weak vacuum could just be a vacuum leak in the intake system, or the engine was not fully warmed up before testing.

flmont 06-08-2021 04:00 PM
Thank You,..Sir..I will look into that..Frank


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