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