P20CF

Exhaust Aftertreatment Fuel Injector "A" Stuck Open

DTC P20CF, sometimes indicated as P20CF00 is an OBD diagnostic trouble code indicating a manufacturer-specific fault with the vehicle powertrain (i.e. engine and gearbox). This code identifies an error with the air/fuel mixture causing exhaust aftertreatment fuel injector "a" stuck open.

This code is set when the exhaust aftertreatment fuel injector "A" is stuck open. This can be caused by a number of things, including a clogged fuel injector, a faulty fuel injector, or a problem with the fuel delivery system.
The best way to fix this code is to find and fix the underlying problem. This may include cleaning the fuel injector, replacing the fuel injector, or repairing the fuel delivery system.

  • P20CF: Aftertreatment Fuel Injector A Stuck Open
  • P20CF: Exhaust Aftertreatment Fuel Injector "A" Stuck Open
  • P20CF: Exhaust after treatment fuel injector A – injector stuck open
  • P20CF 00: Exhaust after treatment fuel injector A - injector stuck open

DTC Trouble Code Search
Bulletins

Bulletins are notices put out by manufacturers in conjunction with the NHTSA to notify the public of manufacturing issues or changes.

  • KC-201 - ENGINE AND ENGINE COOLING
    MACK: Mack chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15 emissions, common model year 2016
  • KC-197 - ELECTRICAL SYSTEM:SOFTWARE
    VOLVO: Volvo chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15 emissions, common model year 2016
  • KC-197 - ELECTRICAL SYSTEM
    VOLVO: Volvo chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15 emissions, common model year 2016
  • KC-201 - ENGINE AND ENGINE COOLING
    MACK: Mack chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15 emissions, common model year 2016
  • K31539545 - ENGINE (PWS)
    VOLVO: Volvo chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15 emissions, common model year 2016
  • K59752430 - FUEL SYSTEM, DIESEL
    MACK: Mack chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15 emissions, common model year 2016
  • K59752430 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
    MACK: Mack chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15, commonly model year 2016
  • K31539545 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
    VOLVO: Volvo chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15, commonly model year 2016
  • K59752430 - ENGINE AND ENGINE COOLING:EXHAUST SYSTEM:EMISSION CONTROL
    MACK: Mack chassis - diagnostic trouble code ( dtc ) P20CF, diagnosis and repair - us14+obd15, commonly model year 2016
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