Check the 'Possible Causes' listed above. Visually inspect the related wiring harness and connectors. Check for damaged components and look for broken, bent, pushed out, or corroded connector pins.
The cost to diagnose the P0137 2008 Ford Fusion code is 1.0 hour of labor. The diagnosis time and labor rates at auto repair shops vary depending on the location, make and model of the vehicle, and even the engine type. Most auto repair shops charge between $75 and $150 per hour.
The P0137 code is set when the Engine Control Module (ECM) detects that the rear O2 sensor signal voltage remains excessively low for an extended period of time.
The Powertrain Control Module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. The test fails when the PCM detects a concern with one of the circuits used to determine the oxygen content in the exhaust gas.
Need more information on how to fix the P0137 2008 Ford Fusion code? Get Access to Factory Service Manuals
Get the P0137 2008 Ford Fusion code diagnosed by a professional: Find a repair shop in your area