P2202
NOx Sensor Circuit Low Bank 1
2002-2003 Mazda Protege5 2.0L I4
Moderate SeverityPowertrainGeneric (SAE)
Description
NOx sensor bank 1 signal is below minimum expected voltage.
Symptoms
- Check engine light
- Incorrect DEF injection rate
Common Causes
- Sensor short to ground
- Wiring fault
- Failed sensor
Diagnostic Steps
- Measure signal voltage
- Check wiring for shorts to ground
Repair Notes
Repair wiring or replace NOx sensor.
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
P2202 on Other Vehicles
Common Questions
What does code P2202 mean on a 2002-2003 Mazda Protege5?
P2202 stands for "NOx Sensor Circuit Low Bank 1". NOx sensor bank 1 signal is below minimum expected voltage.
What are the symptoms of P2202 on a Mazda Protege5?
Common symptoms of P2202 include: Check engine light, Incorrect DEF injection rate.
What causes P2202 on a 2002-2003 Mazda Protege5?
Common causes of P2202 include: Sensor short to ground, Wiring fault, Failed sensor.