AutoCodes – Mercury – P0130 Mercury

P0130 Mercury Code - O2 Sensor Circuit Malfunction Bank 1 Sensor 1

Quick Answer

The Powertrain Control Module (PCM) monitors the heated oxygen sensor (HO2S) for a circuit concern. Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical 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
P0130 Mercury indicates O2 Sensor Circuit Malfunction Bank 1 Sensor 1.
Common causes
Common causes include Faulty Front Heated Oxygen Sensor Bank 1, Front Heated Oxygen Sensor Bank 1 harness is open or shorted, Front Heated Oxygen Sensor Bank 1 circuit poor electrical 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 1,661
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on May 26, 2022
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Code P0130 Mercury Description

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.
OBDII Code P0130 Mercury - O2 Sensor Circuit Malfunction Bank 1 Sensor 1 - AutoCodes.com
P0130 Mercury Code - O2 Sensor Circuit Malfunction Bank 1 Sensor 1

What are the Possible Causes of the DTC P0130 Mercury?

  • Faulty Front Heated Oxygen Sensor Bank 1
  • Front Heated Oxygen Sensor Bank 1 harness is open or shorted
  • Front Heated Oxygen Sensor Bank 1 circuit poor electrical connection
  • Inappropriate fuel pressure
  • Faulty fuel injectors
  • Intake air leaks may be faulty
  • Exhaust gas leaks

How to Fix the DTC P0130 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.

Code Tech Notes

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P0130 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.

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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 P0130 Mercury Code

What does the OBDII code P0130 mean?

P0130 indicates a malfunction in the oxygen sensor circuit for Bank 1, Sensor 1, typically located before the catalytic converter.

What are common symptoms of a P0130 code?

Common symptoms include poor fuel economy, rough engine performance, increased emissions, and the check engine light being illuminated.

What could cause the P0130 code?

Possible causes include a faulty oxygen sensor, damaged wiring or connectors, a malfunctioning engine control unit (ECU), or exhaust leaks.

How can I diagnose a P0130 code?

Start by checking the oxygen sensor and its wiring for damage or corrosion. Use a multimeter to test the sensor's voltage and response. Also, check for any exhaust leaks.

Is it safe to drive with a P0130 code?

While it may be safe for short distances, driving with a P0130 code can lead to poor fuel efficiency and increased emissions. It's advisable to address the issue promptly.

What is the likely repair for a P0130 code?

The most common repair involves replacing the faulty oxygen sensor. However, you may also need to repair wiring or connectors if they are damaged.

How much does it cost to fix a P0130 code?

Repair costs can vary widely, typically ranging from $100 to $300, depending on whether you need to replace the sensor, repair wiring, or address other related issues.

Can a P0130 code reset itself?

The code may reset itself if the underlying issue is resolved and the vehicle's computer detects normal operation during subsequent driving cycles.

Will I pass emissions testing with a P0130 code?

No, a vehicle with a P0130 code is likely to fail emissions testing due to increased emissions and the check engine light being on.

Discuss the causes and fixes for P0130 Mercury OBDII Code

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