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OBD2-OBDII Codes | Engine-Codes.com

P0300

P0300 - Cylinder Misfire Detected Random Cylinders

Possible causes
- Faulty spark plug (s)
- Faulty ignition coil (s)
- Clogged or faulty fuel injector (s)
- Intake air leak
- Fuel injectors harness is open or shorted
- Fuel Injectors circuit poor electrical connection
- Ignition coils harness is open or shorted
- Ignition coils circuit poor electrical connection
- Insufficient cylinders compression
- Incorrect fuel pressure
Tech notes
The P0300 code means that a cylinder(s) is misfiring or is randomly misfiring. Start by checking for intake leaks, intake gaskets are common caused of multi-cylinder misfiring. If no leak are found the next step is to replace the spark plugs. If the problem persist more tests needs to be done to diagnose problem, see "Possible Causes"
When is the code detected?
The control module monitors the crankshaft speed and has detected a misfire condition
Symptoms
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/loss of power
- Hard start
- Engine hesitation
P0300 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.
P0300 For specific makes
P0300 INFINITI
P0300 CHRYSLER
P0300 BMW
P0300 DODGE
P0300 JEEP
P0300 FORD
P0300 HONDA
P0300 MAZDA
P0300 HYUNDAI
P0300 ACURA
P0300 MITSUBISHI
P0300 NISSAN
P0300 SUBARU
P0300 TOYOTA
P0300 SCION
P0300 LEXUS
P0300 AUDI
P0300 VOLKSWAGEN
P0300 BUICK
P0300 CADILLAC
P0300 CHEVROLET
P0300 GMC
P0300 PONTIAC
P0300 SATURN
P0300 2002 FORD EXPEDITION
P0300 MERCURY
P0300 HUMMER
P0300 OLDSMOBILE
P0300 2002 NISSAN ALTIMA SEDAN
P0300 2003 NISSAN ALTIMA SEDAN
P0300 2004 NISSAN ALTIMA SEDAN
P0300 2005 NISSAN ALTIMA SEDAN
P0300 2006 NISSAN ALTIMA SEDAN
P0300 2002 NISSAN SENTRA
P0300 2003 NISSAN SENTRA
P0300 2004 NISSAN SENTRA
P0300 2005 NISSAN SENTRA
P0300 2006 NISSAN SENTRA
P0300 MERCEDES-BENZ
P0300 2003 INFINITI G35
P0300 2004 INFINITI G35
P0300 2005 INFINITI G35
P0300 2006 INFINITI G35
P0300 2005 SCION XB
P0300 2006 SCION XB
P0300 2007 SCION XB
P0300 1997 TOYOTA CAMRY
P0300 1998 TOYOTA CAMRY
P0300 1999 TOYOTA CAMRY
P0300 2000 TOYOTA CAMRY
P0300 2001 TOYOTA CAMRY
P0300 2000 TOYOTA ECHO
P0300 2001 TOYOTA ECHO
P0300 2002 TOYOTA ECHO
P0300 2004 NISSAN MAXIMA
P0300 2005 NISSAN MAXIMA
P0300 2006 NISSAN MAXIMA
P0300 2007 NISSAN MAXIMA
P0300 2008 NISSAN MAXIMA
P0300 2008 HONDA ACCORD
P0300 2009 HONDA ACCORD
P0300 2010 HONDA ACCORD
P0300 2008 NISSAN ALTIMA SEDAN
P0300 2009 NISSAN ALTIMA SEDAN
P0300 2010 NISSAN ALTIMA SEDAN
P0300 2011 NISSAN ALTIMA SEDAN
P0300 2012 NISSAN ALTIMA SEDAN
P0300 1997 FORD F150
P0300 1998 FORD F150
P0300 1999 FORD F150
P0300 2000 FORD F150
P0300 2001 FORD F150
P0300 2002 FORD F150
P0300 2003 FORD F150
P0300 2001 TOYOTA HIGHLANDER
P0300 2002 TOYOTA HIGHLANDER
P0300 2003 TOYOTA HIGHLANDER
P0300 2004 TOYOTA HIGHLANDER
P0300 2005 TOYOTA HIGHLANDER
P0300 2006 TOYOTA HIGHLANDER
P0300 2007 TOYOTA HIGHLANDER
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