OBDII Code List

P2097 MERCURY - Post Catalyst Fuel Trim System Too Rich Bank 1

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3   
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P2097 MERCURY Possible Causes

  • Faulty Heated Oxygen Sensor
  • Heated Oxygen Sensor harness is open or shorted
  • Heated Oxygen Sensor circuit poor electrical connection
  • Exhaust leaks
  • Contaminated Heated Oxygen Sensor

First diagnose P2097 MERCURY code

    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 terminals.

P2097 MERCURY Tech Notes

Before replacing the Heated Oxygen Sensor, inspect the sensor connector for signs of damage, water ingress, or corrosion

Cost of diagnosing the P2097 MERCURY code

    Labor: 1.0

    The cost of diagnosing the P2097 MERCURY code is 1.0 hour of labor. The auto repair labor rates vary by location, your vehicle's make and model, and even your engine type. Most auto repairs shops charge between $75 and $150 per hour.

P2097 MERCURY Possible Symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P2097 Mercury Description

The Powertrain Control Module (PCM) monitors the correction value from downstream Heated Oxygen Sensor(HO2S) as part of the fore-aft oxygen sensor control routine. The test fails when correction value is greater than a calibrated limit.
OBDII Code P2097 Mercury - Post Catalyst Fuel Trim System Too Rich Bank 1 -

P2097 MERCURY More Information

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