P0300 NISSAN - Cylinder Misfire Detected Random Cylinders

Repair Importance Level: 3/3

Repair Difficulty Level: 3/3

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

What does this mean?

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 persists more tests needs to be done to diagnose problem, see "Possible Causes"

What does this mean?

When is the code detected?

The control module monitors the crankshaft speed and has detected a misfire condition

Possible symptoms

Engine Light ON (or Service Engine Soon Warning Light)
Lack/loss of power
Hard start
Engine hesitation

P0300 NISSAN 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.

OBDII Code P0300 Nissan - Cylinder Misfire Detected Random Cylinders - AutoCodes.com

P0300 NISSAN Information for specific Nissan models

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 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 2004 NISSAN MAXIMA
P0300 2005 NISSAN MAXIMA
P0300 2006 NISSAN MAXIMA
P0300 2007 NISSAN MAXIMA
P0300 2008 NISSAN MAXIMA
P0300 2005 NISSAN PATHFINDER
P0300 2006 NISSAN PATHFINDER
P0300 2007 NISSAN PATHFINDER
P0300 2008 NISSAN PATHFINDER
P0300 2009 NISSAN PATHFINDER
P0300 2010 NISSAN PATHFINDER
P0300 2011 NISSAN PATHFINDER
P0300 2012 NISSAN PATHFINDER
P0300 2008 NISSAN ROGUE
P0300 2009 NISSAN ROGUE
P0300 2010 NISSAN ROGUE
P0300 2011 NISSAN ROGUE
P0300 2012 NISSAN ROGUE
P0300 2013 NISSAN ROGUE
P0300 2002 NISSAN SENTRA
P0300 2003 NISSAN SENTRA
P0300 2004 NISSAN SENTRA
P0300 2005 NISSAN SENTRA
P0300 2006 NISSAN SENTRA
P0300 2007 NISSAN SENTRA
P0300 2008 NISSAN SENTRA
P0300 2009 NISSAN SENTRA
P0300 2010 NISSAN SENTRA
P0300 2011 NISSAN SENTRA
P0300 2012 NISSAN SENTRA

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P0300 NISSAN Comments

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Repair Importance Level: 3

1=Low 2=Medium 3=High

Repair Difficulty Level: 3

1=Easy 2=Moderate 3=Hard

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