Suppose that a sound has initial intensity level β1 measured in decibels. This sound now increases in intensity level by a factor f. What is the new level of sound β2 ?.

The power train control module (pcm) or engine control module (ecm) will automatically clear a diagnostic code (dtc) if there are no additional faults detected aftera. the criteria to clear codes is reachedb. eighty warm up cyclesc. five key-on/key-off cyclesd. two consecutive trips