1. What Does A Compression Tester Do?, 2. When Should You Do A Compression Test?

1. What does a compression tester do?

2. When should you do a compression test?

 

Answer:

A compression test reveals the condition of your engines valves, its valve seats, and piston rings and whether these parts are wearing evenly

Explanation:

A compression test reveals the condition of your engines valves, its valve seats, and piston rings and whether these parts are wearing evenly