P2628 Chevrolet Oxygen (O2) Sensor Pumping Current Trim Circuit High (Bank 1 – Sensor 1)

P2628 Chevrolet Oxygen (O2) Sensor Pumping Current Trim Circuit High (Bank 1 – Sensor 1)

OBD Code:
System:
Subsystem: 		 P2628 Chevrolet – (ASE)
 Powertrain
 Computer and Auxiliary Output Circuits

Trouble Code Description: Oxygen (O2) Sensor Pumping Current Trim Circuit High (Bank 1 – Sensor 1)


Location:
Analysis:

Possible Causes:
 Oxygen Sensor – Bank 1 – Sensor 1
 End of Range – Circuit Higher Than Expected

 

Tech description: