Inside the engine firing order 1-3-4-2 · each cylinder cut open
Crank0°Cam0°
How the ECU knows where the engine is
NO SYNC
Engine cycle timing one full cycle = 720° of crank = 2 revolutions · what the ECU sees and commands, and when
Air, fuel & exhaust path live flow · click any sensor
Fresh air
Compressed (hot)
Fuel
Exhaust
What the ECU is thinking
OFF