Fault Code P2204
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2204
NOx Sensor Circuit Intermittent/Erratic Bank 1
This code indicates intermittent or erratic readings/communication in the NOx sensor circuit for Bank 1. This could point to wiring issues, connectors, or an unreliable sensor.
Part Details
Part Name
NOx Sensor
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪800 - ₪3000
Engine Location
Exhaust system
Symptoms
- Check Engine Light on
- Emissions test failure
- Varying engine performance
- Inconsistent fuel consumption
Possible Causes
- 1Loose wiring or connector issues
- 2Intermittently faulty NOx sensor
- 3Moisture or corrosion in connectors
- 4Faulty NOx sensor control module
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