Running In-Cylinder Valve Demonstrator | Super Mario Diagnostics

Expansion stroke

0° after compression TDC

118.9 psi

positive pressure

Running in-cylinder waveform

One complete 720° cycle

Gauge pressure PSI / inHg

Selected condition Normal reference

Cycle position0°

Normal

Known-good reference

Intake won't open

Sealed intake stroke

Intake won't close

Cylinder vents to intake

Exhaust won't open

Pressure builds on exhaust

Exhaust won't close

Cylinder vents to exhaust