Fault Code P2001
Code meaning, symptoms, possible causes, part number, and estimated cost.
P2001
NOx Trap Efficiency Below Threshold Bank 2
This code indicates that the efficiency of the Nitrogen Oxide (NOx Trap) for Bank 2 is below the required threshold. This points to a failure in the NOx emission reduction system.
Part Details
Part Name
NOx Trap
Reference P/N (OEM)
N/A
General part number for this fault code — not necessarily for your specific vehicle
Estimated Cost
₪2000 - ₪8000
Engine Location
Exhaust System
Symptoms
- Check Engine Light on
- Failed Emissions Test
- Increased Fuel Consumption
- Reduced Engine Performance
Possible Causes
- 1Clogged or Damaged NOx Trap
- 2Faulty NOx Sensor
- 3Rich Fuel Mixture
- 4SCR System Failure
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