Lots of possibilities. It's air, spark or fuel so look at all three. Electrical issues are the first place I would look. Rodent damage to a wire harness? Year? model? mileage? Any recent work done that might have affected one bank?
Best not to run the car until you get some better intel. Misfires tend to kill these engines very quickly.
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2009 Cayman 2.9L PDK (with a few tweaks)
PCA-GPX Chief Driving Instructor-Ret.
Last edited by Topless; 05-31-2015 at 11:32 PM.
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