P2628
O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 1
1995-2005 Pontiac Sunfire 2.2L I4
Moderate SeverityPowertrainGeneric (SAE)
Description
High current in wideband O2 sensor trim circuit bank 1.
Symptoms
- Check engine light
- Lean running condition
Common Causes
- Open circuit
- Failed sensor
- Short to voltage
Diagnostic Steps
- Measure circuit current
- Check for opens
Repair Notes
Replace sensor or repair 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
P2628 on Other Vehicles
Pontiac Aztek
2001-2005 3.4L V6
Pontiac Bonneville
1990-1999 3.8L V6
Pontiac Bonneville
2000-2005 3.8L V6
Pontiac Bonneville GXP
2000-2005 4.6L V8
Pontiac Bonneville GXP
2000-2005 4.6L V8 Northstar
Pontiac Bonneville SSEi
1992-1999 3.8L Supercharged V6
Pontiac Bonneville SSEi
1992-1999 3.8L V6 Supercharged
Pontiac Firebird
1993-1997 3.4L V6
Common Questions
What does code P2628 mean on a 1995-2005 Pontiac Sunfire?
P2628 stands for "O2 Sensor Pumping Current Trim Circuit High Bank 1 Sensor 1". High current in wideband O2 sensor trim circuit bank 1.
What are the symptoms of P2628 on a Pontiac Sunfire?
Common symptoms of P2628 include: Check engine light, Lean running condition.
What causes P2628 on a 1995-2005 Pontiac Sunfire?
Common causes of P2628 include: Open circuit, Failed sensor, Short to voltage.