P2626
O2 Sensor Pumping Current Trim Circuit Open Bank 1 Sensor 1
1997-2000 BMW 528i E39 2.8L I6 🇦🇺
Moderate SeverityPowertrain
Description
Open circuit in the wideband O2 sensor trim circuit on bank 1.
Symptoms
- Check engine light
- Poor fuel economy
- Rough running
Common Causes
- Failed wideband O2 sensor
- Wiring damage
- ECM circuit fault
Diagnostic Steps
- Check sensor connector
- Measure sensor heater and signal circuits
- Inspect wiring
Repair Notes
Replace wideband O2 sensor. Verify wiring.
Related Codes
Other Powertrain Codes
- P0001Fuel Volume Regulator Control Circuit/Open
- P0002Fuel Volume Regulator Control Circuit Range/Performance
- P0003Fuel Volume Regulator Control Circuit Low
- P0004Fuel Volume Regulator Control Circuit High
- P0010Intake Camshaft Position Actuator Circuit/Open Bank 1
- P0011Intake Camshaft Position Timing Over-Advanced Bank 1
- P0012Intake Camshaft Position Timing Over-Retarded Bank 1
- P0013Exhaust Camshaft Position Actuator Circuit/Open Bank 1
- P0014Exhaust Camshaft Position Timing Over-Advanced Bank 1
- P0015Exhaust Camshaft Position Timing Over-Retarded Bank 1
P2626 on Other Vehicles
Common Questions
What does code P2626 mean on a 1997-2000 BMW 528i E39?
P2626 stands for "O2 Sensor Pumping Current Trim Circuit Open Bank 1 Sensor 1". Open circuit in the wideband O2 sensor trim circuit on bank 1.
What are the symptoms of P2626 on a BMW 528i E39?
Common symptoms of P2626 include: Check engine light, Poor fuel economy, Rough running.
What causes P2626 on a 1997-2000 BMW 528i E39?
Common causes of P2626 include: Failed wideband O2 sensor, Wiring damage, ECM circuit fault.