Compression Test Analysis

Enter cylinder compression readings to analyze engine health and identify issues.

Cylinder Readings (PSI)

PSI
PSI
PSI
PSI

Compression Guidelines

Engine TypeNormal Range
Gasoline (Low Comp)125-155 PSI
Gasoline (High Comp)155-185 PSI
Performance Gas175-220 PSI
Diesel350-450 PSI

Maximum variation between cylinders should not exceed 10% of highest reading