P0300 2005 TOYOTA HIGHLANDER - Random/Multiple Cylinder Misfire Detected
Tech notesThe 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 condition
P0300 2005 Toyota Highlander DescriptionWhen 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.
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P0300 2005 TOYOTA HIGHLANDER CommentsHelp us improve AutoCodes.com. Leave a comment below or tell us if the information above help you fix the code. What are the symptoms on your vehicle for the P0300 2005 Toyota Highlander code? Have you replaced any parts?
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