P242F OBD II Trouble Code Diesel Particulate Filter Restriction - Ash Accumulation

Symptoms of P242F OBD II Trouble Code

  • Diminished engine performance
  • Excessive black smoke from the exhaust
  • Higher engine temperatures
  • Higher transmission temperatures

Common Causes of P242F OBD II Trouble Code

  • Excessive ash accumulation in the DPF
  • Defective DPF pressure sensor
  • Clogged DPF pressure sensor tubes/hoses
  • Open or shorted circuit/s in the DPF pressure sensor circuit
  • Inefficient DPF regeneration
  • Overuse of engine and/or fuel system additives

Severity of P242F OBD II Trouble Code

The conditions for causing the code P242F to be stored may cause internal engine or fuel system damage and should be addressed with haste.