Basically, yes. The computer controls fuel injection and ignition timing among many other things. Most cars have a direct ignition system that doesn't use a distributor and firs 2 cylinders simultaneously.

Answered by Wrenchtech (expert)
14,825 answers provided

1 cylinder is on compression(fires) the other is wasted spark on exhaust cycle.(4 cyl engine)

Answered by fixitmr
24 questions asked

actually the number of cyl is supplied by the number of coils. each coil having 2 outputs. 4 cyl has 2 coils. 8 cyl 4 coils, 6 cyl 3.

Answered by fixitmr
24 questions asked

but no constant spark. only at TDC for each pared cylinders.

Answered by fixitmr
24 questions asked

http://www.search-autoparts.com/searchautoparts/article/articleDetail.jsp?id=20037

http://www.procarcare.com/icarumba/resourcecenter/encyclopedia/icar_resourcecenter_encyclopedia_ignition.asp

Answered by Wrenchtech (expert)
14,825 answers provided