Pontiac Firebird P2099: Post Catalyst Fuel Trim System – Too Rich – Bank 2
P2099 is a generic OBD II code. It has the same meaning for the Pontiac Firebird as it would any other vehicle. It specifically indicates that your Firebird detected that air-fuel mixture reading as the exhaust gas exits the catalytic converter on the bank 2 side of the engine is too rich. (too much fuel … Read more