MembersPage/DuncanGrant (2006-03-16 04:43:08)

Subaru timing diagram from MY97-98 Impreza diagnostic manual:

Subaru_Timing.png

Firing order - 1-3-2-4

Cylinder numbering for flat-4:

34
12
front

Some signals:

vs-inj-ign-signals.png

Ignition has a dwell of 4ms