For Shop Owners

P242F - Diesel Particulate Filter Restriction Ash Accumulation

Repair Importance Level: 3/3
Repair Difficulty Level: 3/3 What does this mean?

Possible causes

  • Diesel particulate filter is full of ash
  • Damaged diesel particulate filter pressure sensor
  • Faulty Exhaust Gas Temperature (EGT)
  • Exhaust Gas Temperature (EGT) harness is open or shorted
  • Exhaust Gas Temperature (EGT) circuit poor electrical connection
  • Faulty Mass Air Flow (MAF) / Intake Air Temperature (IAT) Sensor
What does this mean?

Possible symptoms

  • Engine Light ON (or Service Engine Soon Warning Light)

P242F Description

The Powertrain Control Module (PCM) monitors the pressure decrease at the diesel particulate filter following a diesel particulate filter regeneration for a concern. The PCM calculates the amount of ash and the pressure increase the ash generates in the diesel particulate filter. During a regeneration the PCM expects the pressure to decrease. The amount of pressure decrease expected by the PCM is based on the temperature and flow of the exhaust gas. The test fails when the pressure reading at the diesel particulate filter pressure sensor does not decrease by the amount determined by the PCM.
OBDII Code P242f - Diesel Particulate Filter Restriction Ash Accumulation -

P242F Information for specific makes

P242F FORD Diesel Particulate Filter Restriction Ash Accumulation

Need more help?

Do you need more help with the P242f code? Ask a question to our users or find an automotive repair shop near you to help fix the OBDII code

P242F Comments

Help us improve Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P242f code? Have you replaced any parts?
Any information is appreciated. Thanks
Repair Importance Level: 3
1=Low 2=Medium 3=High
Repair Difficulty Level: 3
1=Easy 2=Moderate 3=Hard

Browse All Codes For Specific Model YearBeta
Ford F150 1998 Ford F150
1999 Ford F150
2000 Ford F150
2001 Ford F150
2002 Ford F150
2003 Ford F150
Ford Fusion 2006 Ford Fusion
2007 Ford Fusion
2008 Ford Fusion
2009 Ford Fusion
2010 Ford Fusion
2011 Ford Fusion
2012 Ford Fusion
Honda Accord 2008 Honda Accord
2009 Honda Accord
2010 Honda Accord
Honda Civic 1996 Honda Civic
1997 Honda Civic
1998 Honda Civic
1999 Honda Civic
2000 Honda Civic
Infiniti G35 2003 Infiniti G35
2004 Infiniti G35
2005 Infiniti G35
2006 Infiniti G35
Nissan Altima 2002 Nissan Altima
2003 Nissan Altima
2004 Nissan Altima
2005 Nissan Altima
2006 Nissan Altima
2008 Nissan Altima
2009 Nissan Altima
2010 Nissan Altima
2011 Nissan Altima
2012 Nissan Altima
Nissan Maxima 2005 Nissan Maxima
2006 Nissan Maxima
2007 Nissan Maxima
2008 Nissan Maxima
Nissan Pathfinder 2005 Nissan Pathfinder
2006 Nissan Pathfinder
2007 Nissan Pathfinder
2008 Nissan Pathfinder
2009 Nissan Pathfinder
2010 Nissan Pathfinder
2011 Nissan Pathfinder
2012 Nissan Pathfinder
Nissan Rogue 2008 Nissan Rogue
2009 Nissan Rogue
2010 Nissan Rogue
2011 Nissan Rogue
2012 Nissan Rogue
2013 Nissan Rogue
Nissan Sentra 2002 Nissan Sentra
2003 Nissan Sentra
2004 Nissan Sentra
2005 Nissan Sentra
2006 Nissan Sentra
2007 Nissan Sentra
2008 Nissan Sentra
2009 Nissan Sentra
2010 Nissan Sentra
2011 Nissan Sentra
2012 Nissan Sentra
Toyota Camry 1997 Toyota Camry
1998 Toyota Camry
1999 Toyota Camry
2000 Toyota Camry
2001 Toyota Camry
2006 Toyota Camry
2007 Toyota Camry
2008 Toyota Camry
2009 Toyota Camry
2010 Toyota Camry
2011 Toyota Camry
Toyota Corolla 2005 Toyota Corolla
Toyota Echo 2000 Toyota Echo
2001 Toyota Echo
2002 Toyota Echo
Toyota Highlander 2001 Toyota Highlander
2002 Toyota Highlander
2003 Toyota Highlander
2004 Toyota Highlander
2005 Toyota Highlander
2006 Toyota Highlander
2007 Toyota Highlander
Toyota Prius 2004 Toyota Prius
2005 Toyota Prius
2006 Toyota Prius
2007 Toyota Prius
2008 Toyota Prius
2009 Toyota Prius
Scion xB 2005 Scion xB
2006 Scion xB
2007 Scion xB
Home - For Shop Owners - About - Privacy Policy - Terms and Conditions - - Copyright 2010-2018 - - - -
Posted and Edit by 01-13-2017

Related pages

fuel trim bank 1dodge ram 1500 torque converterjakes motorworldp0113 code2005 mitsubishi galant recallsmr muffler warren miford p0401 codebattery for 2007 toyota yaris98 honda civic oil2004 infinity i35replacing maf sensor2001 honda odyssey oil change2008 toyota camry hybrid battery replacementect sensor integraknock sensor diagram2004 nissan titan high oil pressurerav4 check engine lightvct solenoid testtoyota matrix fuel consumptionacura rl service codesvsa accord2003 honda accord tcs and brake light onscion sfr2005 mazda 6ibmw engine codesshift solenoid dodge ram 15001995 toyota camry batterylocation of crank position sensorcylinder misfire detectedcheck engine light nissan versaford f150 20022008 nissan rogue recallsreplacing camshaft position sensor2003 mercury mountaineer problemstsb vwcode po420p0171 system too lean bank 1 fordhonda srs codesmap baro circuit malfunctionwhat is a ckp sensortoyota camry 2002 fuel consumption2003 mazda 6 intake manifoldford expedition gem module2002 jeep liberty ignition coilsigns of a bad transmission speed sensor2005 ford expedition catalytic converter replacement2003 vw golf transmission problemsevap emissions control system leaknissan centra 981998 olds 88maf sensor problemsprius voltage2000 honda accord p0420jeep liberty coil pack99 honda accord 4 cylinderp0449 engine codeoutput speed sensor circuit malfunctionnissan frontier clutchlock up solenoidk20 cam installobd2 codes hondagm camshaft identification2000 lincoln ls transmission fluid check2003 ford e250maxima altima differenceford expedition oxygen sensorkia rio cinco 20022001 pontiac grand prix transmission problems98 740ip0171 obd code2007 hyundai elantra battery replacementbuick lesabre 96ford f150 oxygen sensor location2003 jaguar xj8 problems