P2628 Ford Code - Oxygen Sensor Positive Current Trim Circuit High 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
- P2628 Ford indicates Oxygen Sensor Positive Current Trim Circuit High 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 P2628 Ford Description
What are the Possible Causes of the DTC P2628 Ford?
- 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 P2628 Ford?
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 P2628 Ford 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 P2628 Ford Code
1. What does the OBDII code P2628 mean on a Ford vehicle?
P2628 indicates an issue with the Oxygen Sensor Positive Current Trim Circuit High for Bank 1 Sensor 1, meaning the upstream oxygen sensor is reporting abnormally high electrical current.
2. What are the common symptoms of code P2628 on a Ford?
Symptoms may include poor fuel economy, rough idling, reduced engine performance, an illuminated check engine light, and possibly failed emissions tests.
3. What causes the P2628 code on a Ford?
Common causes include a faulty oxygen sensor (Bank 1 Sensor 1), damaged wiring or connectors in the oxygen sensor circuit, a malfunctioning powertrain control module (PCM), or exhaust leaks near the sensor.
4. How do I diagnose code P2628 on my Ford?
Start by checking the oxygen sensor wiring and connectors for damage or corrosion. Use a scan tool to monitor oxygen sensor data and perform resistance tests on the sensor and related circuits.
5. Can I drive my Ford with a P2628 code?
Driving with a P2628 code is generally not recommended as it can lead to poor fuel efficiency, increased emissions, and potential damage to the catalytic converter over time.
6. How do I fix the P2628 code on a Ford?
Repairs may include replacing the oxygen sensor (Bank 1 Sensor 1), repairing or replacing damaged wiring or connectors, fixing exhaust leaks, or reprogramming/updating the PCM if necessary.
7. How much does it cost to repair a P2628 code on a Ford?
Repair costs vary but typically range from $200 to $400, depending on whether the oxygen sensor or wiring needs replacement. PCM repairs or reprogramming could increase costs.
8. Can a bad oxygen sensor cause the P2628 code?
Yes, a faulty oxygen sensor is a common cause of the P2628 code as it may send incorrect signals due to internal failure.
9. What tools are needed to troubleshoot the P2628 code on a Ford?
You’ll need an OBDII scan tool, a multimeter to test electrical circuits, and possibly a smoke machine to check for exhaust leaks.
10. Will clearing the P2628 code solve the problem on my Ford?
Clearing the code may temporarily turn off the check engine light, but if the underlying issue isn’t fixed, the code will likely return.
Discuss the causes and fixes for P2628 Ford OBDII Code
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