P02098 - Downstream Fuel Trim System 2 lean. Possible causes: exhaust leak near 02 sensor (cat converter), failed O2 sensor, fuel contamination, gas cap not sealing. In other words, this is Bank 2 / Sensor 2 (left rear).

Chrysler dealer wants to replace both sensors for bank 2 (upstream and downstream) for $544 each. Dealer claims my catalytic converter is not cracked, as per ASE certified repair shop diagnosis. Any OEM new sensors better fix this problem, or I will be insistant upon a full catalytic converter crack investigation!!!