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Hello everyone. I've had these two faults appear three separate times now, all within about 100 miles of each other, and all when the car has been idling for a short period. P0172: System too Rich (Bank 1) P0175: System too Rich (Bank 2) I've searched the forums, and it seems the likely cause is the MAF, but I wanted to post my Torque Pro logs of when the CEL occurred to see if any of you could help me pinpoint the problem. For what it's worth, I just changed my spark plugs last weekend (after having seen the CEL twice) and inspected the ignition coils, but no problems were found and t