P2200 Buick Nitrogen Oxides (NOx) Sensor Circuit (Bank 1)

P2201 Buick Nitrogen Oxides (NOx) Sensor Circuit Range / Performance (Bank 1)

OBD Code:
System:
Subsystem:
 P2201 Buick – (ASE)
 Powertrain
 Fuel and Air Metering

Trouble Code Description: Nitrogen Oxides (NOx) Sensor Circuit Range / Performance (Bank 1)


Location:
Analysis:

Possible Causes:

 Bank 1
 Out of Expected Range

 

Tech description:

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