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Old 01-13-2015, 08:52 AM   #1
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Join Date: May 2011
Location: Miami florida
Posts: 1,591
Help diagnosing possible SAI problem.

I've been getting regular (about every 2 weeks or so) CEL for the SAI system P 0410 "signal implausible" as well as 1128 and 1130 which indicate the fuel trims are at full rich. The MAF is reading lowish, around 10-11 when it should be at 15. This leads me to believe that I am getting a vacuum leak somewhere in the SAI system.

Does that sound right and if there is a vavuum leak from the SAI, what are the usual suspects?
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2000 Boxster 2.7l red/black

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1973 Opel Manta
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