P0300 NISSAN - Cylinder Misfire Detected Random Cylinders
Possible causes
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"When is the code detected?
The control module monitors the crankshaft speed and has detected a misfire conditionPossible symptoms
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.
P0300 Nissan Information for specific Nissan models
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