P0306 VOLVO - Cylinder 6 Misfire Detected
Tech notesThe P0306 code means that the cylinder 6 is misfiring or is randomly misfiring. Start by checking for intake leaks and if no leaks are found the next step is to replace the spark plugs on cylinder 6. If the problem persists more tests needs to be done to diagnose problem, see "Possible Causes"
When is the code detected?Engine Cylinder 6 is Misfiring.
P0306 Volvo 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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