P2628
O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 1
P2628 is an OBD-II diagnostic trouble code meaning: O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 1. Common causes: oxygen sensor malfunction, open or short circuit in the sensor circuit. Estimated repair cost: $17–56.
Symptoms
- Check Engine light comes on
- Increased fuel consumption
- Unstable engine idling
- Reduced engine power
- Increased emissions of harmful substances
Causes
- Oxygen sensor malfunction
- Open or short circuit in the sensor circuit
- Poor contact in the sensor connector
- Problems with the ECU
- Oxygen sensor dirty
How to Fix
- Check the condition of the oxygen sensor
- Inspect the wiring harness and connectors for damage
- Check the voltage and resistance in the sensor circuit
- Clean or replace the oxygen sensor if necessary
- Reset the error code and check if it returns
Related codes
Error P2628 by Vehicle Brand
FAQ
What does the P2628 code mean?
P2628 is an OBD-II diagnostic trouble code that indicates: O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 1
What causes a P2628 error code?
The most common causes of P2628 include: Oxygen sensor malfunction; Open or short circuit in the sensor circuit; Poor contact in the sensor connector; Problems with the ECU.
How do I fix a P2628 diagnostic trouble code?
To fix P2628: Check the condition of the oxygen sensor. Inspect the wiring harness and connectors for damage. Check the voltage and resistance in the sensor circuit. For a complete diagnosis, use an OBD-II scanner.
Is it safe to drive with P2628?
Yes, but get it checked soon
How much does it cost to fix P2628?
The estimated repair cost for P2628 is $17–56. Actual cost depends on your vehicle, location, and labor rates.
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