HelpForCars.net- All Aobut Automotive Repairs
HelpForCars.net- All Aobut Automotive Repairs

P0300 NISSAN

P0300 NISSAN - Cylinder Misfire Detected Random Cylinders

Comments |  Add Yours
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
Help with this
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"
Help with this
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 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.
NISSAN Technical Service Bulletins for P0300 code
2007 NISSAN ALTIMA HYBRID ENGINE AND ENGINE COOLING:ENGINE Details
2008 NISSAN ALTIMA HYBRID ENGINE AND ENGINE COOLING:ENGINE Details
2009 NISSAN ALTIMA HYBRID ENGINE AND ENGINE COOLING:ENGINE Details
2010 NISSAN ALTIMA HYBRID ENGINE AND ENGINE COOLING:ENGINE Details
2007 NISSAN ALTIMA HYBRID 061000 ENGINE AND ENGINE COOLING:ENGINE Details
2008 NISSAN ALTIMA HYBRID 061000 ENGINE AND ENGINE COOLING:ENGINE Details
2009 NISSAN ALTIMA HYBRID 061000 ENGINE AND ENGINE COOLING:ENGINE Details
2010 NISSAN ALTIMA HYBRID 061000 ENGINE AND ENGINE COOLING:ENGINE Details
2004 NISSAN ALTIMA ELECTRICAL SYSTEM:IGNITION Details
2004 NISSAN MAXIMA ELECTRICAL SYSTEM:IGNITION Details
Need more help?
Need parts?


HelpForCars.net OBD Codes Comments Powered by Disqus
Engine Light ON?

The Engine-Codes.com ELM327 WiFi Car Diagnostic connects to your Android phone, iPhone, iPad, or Windows computer from your vehicle.