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Question: OBD code P2099

RJFabCab · 2012-10-14T15:29:03+0000

This is in reference to my '07 997TT with FVD sport headers and FVD sound version exhaust with 200 cell cats. Everything else on the car is bone stock including the ECU program. She runs just fine. The car is low miles and the full exhaust has been on the car for over 3 years. I get random CELs, only 2-3 times, with OBD code P2099 "Post Catalyst Fuel Trim System Too Rich Bank 2". These are my thoughts: 1. Cat going bad 2. O2 sensor going bad 3. 'Occasional' random CEL due to the high flow setup 4. Bad gas My guess is that it's not a big deal, and I have reset the code. I will probably have the dealer check it out just to be sure all is good. Am I missing something here? Any other thoughts to add? I hardly drive the car... it has 10K miles on the clock.