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Old 06-01-2014, 02:39 PM   #1
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Join Date: Nov 2010
Location: Los Angeles
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AOS or more?

Racing at AutoClub Speedway this weekend. Car is running great. Drove the car from home to the track this morning (45mins), everything fine. First lap of the morning practice session, HUGE white billowing cloud out the back. Smoke clears and then it happens again on the infield portion. Engine power seems ok but I didn't push it too hard coming in.

I bring it into the paddock and there is smoke ONLY coming out of the passenger exhaust side! Is it possible for an AOS failure to only affect one side? Removed oil cap and not much vacuum (more than zero but not a lot). Checked engine codes - none.

My first inclination is that this is just an(other) AOS failure but I have never heard of it only affecting one bank. Decided not to drive the car anymore and its on the trailer this afternoon to Hergesheimer Motor Sports for eval.

Let me know your thoughts.
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1999 996 C2 - sold - bought back - sold for more
1997 Spec Boxster BSR #254
1979 911 SC
POC Licensed DE/TT Instructor

Last edited by thstone; 06-01-2014 at 07:20 PM.
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