An engine control apparatus can significantly improve reliability in misfire detection by preventing {HEAD ~ erroneous detection} of {TAIL ~ the level} of an ion current due to noise superposition 
of
An engine control apparatus can significantly improve reliability in misfire detection by preventing { HEAD ~ erroneous detection } of { TAIL ~ the level } of an ion current due to noise superposition
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH