AutoCodes – Mercury – P0061 Mercury

P0061 Mercury Code - HO2S Heater Resistance Bank 2 Sensor 3

Quick Answer

The Powertrain Control Module (PCM) monitors the HO2S Heater Resistance Bank 2 Sensor 3. Common causes include Faulty Heated Oxygen Sensor Bank 2 Sensor 3, Heated Oxygen Sensor Bank 2 Sensor 3 harness open or shorted, Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor connection. Severity is Moderate - service should be scheduled soon. The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

What it means: P0061 Mercury indicates HO2S Heater Resistance Bank 2 Sensor 3.
Common causes: Common causes include Faulty Heated Oxygen Sensor Bank 2 Sensor 3, Heated Oxygen Sensor Bank 2 Sensor 3 harness open or shorted, Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor connection.
Severity: Moderate - service should be scheduled soon.
Can I drive?: The vehicle may still be drivable for short trips if it runs normally, but avoid hard driving and repair it soon.

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Code Popularity 1,332

How popular is this code, among other codes? Low

Repair Importance Level

Moderate (Service soon) (2 / 3)

Repair Difficulty Level

Intermediate (2 / 3)

What is this?

Table of contents Created and updated by William Orellana on Aug 13, 2020

Description
Possible Causes
How To Fix
Cost to Diagnose
FAQs
Comments
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Code P0061 Mercury Description

The Powertrain Control Module (PCM) monitors the HO2S Heater Resistance Bank 2 Sensor 3. The Diagnostic Trouble Code (DTC) will set if the heater current requirements too low or high in the heated oxygen sensor (HO2S) heater control circuit.

OBDII Code P0061 Mercury - HO2S Heater Resistance Bank 2 Sensor 3 - AutoCodes.com — P0061 Mercury Code - HO2S Heater Resistance Bank 2 Sensor 3

What does this mean?

What are the Possible Causes of the DTC P0061 Mercury?

Faulty Heated Oxygen Sensor Bank 2 Sensor 3
Heated Oxygen Sensor Bank 2 Sensor 3 harness open or shorted
Heated Oxygen Sensor Bank 2 Sensor 3 circuit poor connection
Faulty Powertrain Control Module (PCM)

How to Fix the DTC P0061 Mercury?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0061 Mercury code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P0061 Mercury code?

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Get the P0061 Mercury code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P0061 Mercury Code

1. What are the common symptoms of OBDII code P0061 in a Mercury vehicle?

The common symptoms of OBDII code P0061 in a Mercury vehicle include poor engine performance, decreased fuel efficiency, rough idling, and the illumination of the Check Engine Light.

2. What does the OBDII code P0061 Mercury indicate?

OBDII code P0061 in a Mercury vehicle indicates an issue with the HO2S (Heated Oxygen Sensor) heater circuit for Bank 2 Sensor 3.

3. What are the possible causes of OBDII code P0061 in a Mercury vehicle?

The possible causes of OBDII code P0061 in a Mercury vehicle include a faulty HO2S heater, damaged wiring or connectors in the sensor circuit, a blown fuse, or a faulty Powertrain Control Module (PCM).

4. How can I diagnose the OBDII code P0061 in my Mercury?

Diagnosing OBDII code P0061 in a Mercury involves using an OBDII scanner to retrieve the code, inspecting the wiring and connectors of Bank 2 Sensor 3, testing the sensor heater's resistance, and checking the fuse related to the sensor circuit.

5. Can I continue driving my Mercury with OBDII code P0061?

It is not recommended to continue driving your Mercury with OBDII code P0061, as it can lead to further engine damage and decreased fuel efficiency. It is best to address the issue promptly.

6. How can I repair OBDII code P0061 in my Mercury?

Repairing OBDII code P0061 in your Mercury may involve replacing the faulty HO2S heater, repairing damaged wiring or connectors, replacing the blown fuse, or reprogramming the PCM if necessary.

7. What are some tips to prevent OBDII code P0061 from occurring in my Mercury?

To prevent OBDII code P0061 in your Mercury, it is essential to perform regular maintenance checks, avoid driving with a misfiring engine, and promptly address any Check Engine Light warnings.

8. Is it safe to reset the Check Engine Light after repairing OBDII code P0061 in my Mercury?

Yes, it is safe to reset the Check Engine Light after repairing OBDII code P0061 in your Mercury. If the issue has been successfully resolved, the light should not reappear.

9. How much does it cost to repair OBDII code P0061 in a Mercury?

The cost to repair OBDII code P0061 in a Mercury can vary depending on the specific cause of the issue, the labor rates of the repair shop, and the cost of any replacement parts needed. It is recommended to obtain quotes from different repair shops.

10. Can I fix OBDII code P0061 in my Mercury myself, or should I seek professional help?

While some DIY enthusiasts may be able to address OBDII code P0061 by themselves, it is recommended to seek professional help if you are not experienced in automotive repair. A professional mechanic can diagnose the issue accurately and ensure it is repaired correctly.