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Old 12-01-2016, 10:03 PM   #8
Topless
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Join Date: Nov 2006
Location: Southern ID
Posts: 3,701
Garage
On my 98 it was the MAF. When the engine is cold it runs on fixed fuel trims and once warm it switches over to sensor driven trims. Failed MAF sensor = poor performance
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2009 Cayman 2.9L PDK (with a few tweaks)
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