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Unplug the MAF sensor wire harness. If the car runs better, replace the MAF. Cleaning it is useful if it just got contaminated during a AF replacement but it is still relatively new. If your MAF has more than 30K on it, replace it.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
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