CODE P2099 IS DOWNSTREAM FUEL SYSTEM 2/2 RICH.POSSIBLE CAUSE EXHAUST LEAK - ENGINE MECHANICAL PROBLEM - O2 SENSOR NO 2/2 HAS FAILED OR SIGNAL CIRCUIT OR RETURN CIRCUIT PROBLEM. FUEL CONTAMINATION.
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CODE P2099 IS DOWNSTREAM FUEL SYSTEM 2/2 RICH.POSSIBLE CAUSE EXHAUST LEAK - ENGINE MECHANICAL PROBLEM - O2 SENSOR NO 2/2 HAS FAILED OR SIGNAL CIRCUIT OR RETURN CIRCUIT PROBLEM. FUEL CONTAMINATION.