P2000 OBD II Trouble Code NOx Trap Efficiency Below Threshold Bank 1

Symptoms of P2000 OBD II Trouble Code

  • Excessive smoke from the engine exhaust
  • Reduced overall engine performance
  • Increased engine temperatures
  • Diminished fuel efficiency

Common Causes of P2000 OBD II Trouble Code

  • A defective or overloaded NOx trap or NOx trap element
  • Faulty diesel exhaust fluid injection system
  • Inadequate or improper NOx reductant fluid
  • Inoperable exhaust gas recirculation system
  • Severe exhaust leak upstream of the NOx trap