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OBD2-OBDII Codes | Engine-Codes.com

P0301

P0301 - Cylinder 1 Misfire Detected

Possible causes
- Faulty spark plug 1
- Clogged or faulty fuel injector 1
- Faulty ignition coil 1
- Fuel injector 1 harness is open or shorted
- Fuel injector 1 circuit poor electrical connection
- Ignition coil 1 harness is open or shorted
- Ignition coil 1 circuit poor electrical connection
- Insufficient cylinder 1 compression
- Incorrect fuel pressure
- Intake air leak
Tech notes
The P0301 code means that the cylinder 1 is misfiring or is randomly misfiring. Start by checking for intake leaks an if no leaks are found the next step is to replace the spark plugs on cylinder 1. If the problem persist more tests needs to be done to diagnose problem, see "Possible Causes"
When is the code detected?
Engine Cylinder 1 is misfiring.
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation
P0301 Description
When a misfire occurs, engine speed will fluctuate. If the engine speed fluctuates enough to cause the Crankshaft Position (CKP) sensor signal to vary, the Engine Control Module (ECM) can determine that a misfire is occurring.
P0301 For specific makes
P0301 BMW
P0301 CHRYSLER
P0301 JEEP
P0301 DODGE
P0301 HONDA
P0301 ACURA
P0301 HYUNDAI
P0301 INFINITI
P0301 NISSAN
P0301 ISUZU
P0301 KIA
P0301 LEXUS
P0301 TOYOTA
P0301 SCION
P0301 MAZDA
P0301 MITSUBISHI
P0301 SUBARU
P0301 AUDI
P0301 VOLKSWAGEN
P0301 GMC
P0301 CHEVROLET
P0301 PONTIAC
P0301 FORD
P0301 BUICK
P0301 CADILLAC
P0301 MERCURY
P0301 VOLVO
P0301 HUMMER
P0301 JAGUAR
P0301 SATURN
P0301 2002 NISSAN ALTIMA SEDAN
P0301 2003 NISSAN ALTIMA SEDAN
P0301 2004 NISSAN ALTIMA SEDAN
P0301 2005 NISSAN ALTIMA SEDAN
P0301 2006 NISSAN ALTIMA SEDAN
P0301 2002 NISSAN SENTRA
P0301 2003 NISSAN SENTRA
P0301 2004 NISSAN SENTRA
P0301 2005 NISSAN SENTRA
P0301 2006 NISSAN SENTRA
P0301 MERCEDES-BENZ
P0301 2003 INFINITI G35
P0301 2004 INFINITI G35
P0301 2005 INFINITI G35
P0301 2006 INFINITI G35
P0301 2005 SCION XB
P0301 2006 SCION XB
P0301 2007 SCION XB
P0301 1997 TOYOTA CAMRY
P0301 1998 TOYOTA CAMRY
P0301 1999 TOYOTA CAMRY
P0301 2000 TOYOTA CAMRY
P0301 2001 TOYOTA CAMRY
P0301 2000 TOYOTA ECHO
P0301 2001 TOYOTA ECHO
P0301 2002 TOYOTA ECHO
P0301 2004 NISSAN MAXIMA
P0301 2005 NISSAN MAXIMA
P0301 2006 NISSAN MAXIMA
P0301 2007 NISSAN MAXIMA
P0301 2008 NISSAN MAXIMA
P0301 2008 HONDA ACCORD
P0301 2009 HONDA ACCORD
P0301 2010 HONDA ACCORD
P0301 2008 NISSAN ALTIMA SEDAN
P0301 2009 NISSAN ALTIMA SEDAN
P0301 2010 NISSAN ALTIMA SEDAN
P0301 2011 NISSAN ALTIMA SEDAN
P0301 2012 NISSAN ALTIMA SEDAN
P0301 1997 FORD F150
P0301 1998 FORD F150
P0301 1999 FORD F150
P0301 2000 FORD F150
P0301 2001 FORD F150
P0301 2002 FORD F150
P0301 2003 FORD F150
P0301 2001 TOYOTA HIGHLANDER
P0301 2002 TOYOTA HIGHLANDER
P0301 2003 TOYOTA HIGHLANDER
P0301 2004 TOYOTA HIGHLANDER
P0301 2005 TOYOTA HIGHLANDER
P0301 2006 TOYOTA HIGHLANDER
P0301 2007 TOYOTA HIGHLANDER
P0301 2004 TOYOTA PRIUS
P0301 2005 TOYOTA PRIUS
P0301 2006 TOYOTA PRIUS
P0301 2007 TOYOTA PRIUS
P0301 2008 TOYOTA PRIUS
P0301 2009 TOYOTA PRIUS
P0301 2008 NISSAN ROGUE
P0301 2009 NISSAN ROGUE
P0301 2010 NISSAN ROGUE
P0301 2011 NISSAN ROGUE
P0301 2012 NISSAN ROGUE
P0301 2013 NISSAN ROGUE
P0301 1996 HONDA CIVIC
P0301 1997 HONDA CIVIC
P0301 1999 HONDA CIVIC HATCHBACK
P0301 1998 HONDA CIVIC
P0301 2000 HONDA CIVIC
P0301 2007 NISSAN SENTRA
P0301 2008 NISSAN SENTRA
P0301 2009 NISSAN SENTRA
P0301 2010 NISSAN SENTRA
P0301 2011 NISSAN SENTRA
P0301 2012 NISSAN SENTRA
P0301 2006 TOYOTA CAMRY
P0301 2007 TOYOTA CAMRY
P0301 2008 TOYOTA CAMRY
P0301 2009 TOYOTA CAMRY
P0301 2010 TOYOTA CAMRY
P0301 2011 TOYOTA CAMRY
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