P2626 Mercury Code - Oxygen Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1
Quick Answer
A resistor is installed in the Universal Heated Oxygen Sensor (HO2S) connector for part to part variance. Common causes include Faulty Heated Oxygen Sensor (HO2S), Heated Oxygen Sensor (HO2S) harness is open or shorted, Heated Oxygen Sensor (HO2S) circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
- What it means
- P2626 Mercury indicates Oxygen Sensor Pumping Current Trim Circuit/Open Bank 1 Sensor 1.
- Common causes
- Common causes include Faulty Heated Oxygen Sensor (HO2S), Heated Oxygen Sensor (HO2S) harness is open or shorted, Heated Oxygen Sensor (HO2S) circuit poor electrical connection.
- Severity
- High - diagnose this code as soon as possible.
- Can I drive?
- Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
Code P2626 Mercury Description
What are the Possible Causes of the DTC P2626 Mercury?
- Faulty Heated Oxygen Sensor (HO2S)
- Heated Oxygen Sensor (HO2S) harness is open or shorted
- Heated Oxygen Sensor (HO2S) circuit poor electrical connection
How to Fix the DTC P2626 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 P2626 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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Frequently Asked Questions about P2626 Mercury Code
1. What does the OBDII code P2626 mean on a Mercury vehicle?
P2626 indicates an issue with the Oxygen Sensor Pumping Current Trim Circuit/Open for Bank 1 Sensor 1. It means the sensor or its circuit is malfunctioning, affecting air-fuel mixture monitoring.
2. What are the common symptoms of code P2626 in a Mercury?
Symptoms include poor fuel efficiency, rough idling, hesitation during acceleration, and the Check Engine Light illuminating.
3. What causes the P2626 code to appear on a Mercury?
Common causes include a faulty oxygen sensor, damaged wiring or connectors, a malfunctioning engine control module (ECM), or exhaust leaks.
4. Which oxygen sensor is affected by the P2626 code?
The code refers to the upstream oxygen sensor (Bank 1 Sensor 1), located before the catalytic converter on the engine's first bank.
5. Can I drive my Mercury with the P2626 code active?
Driving is possible but not recommended, as it may lead to poor performance, increased emissions, and potential damage to the catalytic converter.
6. How do I diagnose the P2626 code on my Mercury?
Start by inspecting the oxygen sensor and its wiring for damage, then test the sensor's resistance and voltage. If no issues are found, check for exhaust leaks or ECM faults.
7. How do I fix the P2626 code on a Mercury?
Repairs may involve replacing the oxygen sensor, repairing damaged wiring or connectors, fixing exhaust leaks, or, in rare cases, reprogramming or replacing the ECM.
8. How much does it cost to repair the P2626 code on a Mercury?
Replacing an oxygen sensor typically costs $150–$300, while wiring repairs or ECM replacement may vary widely based on parts and labor.
9. Can a bad oxygen sensor cause the P2626 code?
Yes, a faulty or failing oxygen sensor is one of the most common causes of the P2626 code.
10. Will clearing the P2626 code fix the problem on my Mercury?
Clearing the code will turn off the Check Engine Light temporarily, but the underlying issue must be repaired to prevent the code from returning.
Discuss the causes and fixes for P2626 Mercury OBDII Code
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