Petrol engine compression tester is a diagnostic tool used to measure the compression pressure inside the cylinders of a petrol (gasoline) engine. Its main functions include:
Measures cylinder compression – Checks the pressure generated in each cylinder during the compression stroke.
Diagnoses engine condition – Helps identify worn piston rings, leaking valves, damaged pistons, or blown head gaskets.
Detects uneven compression – Compares compression between cylinders to locate engine faults.
Assists in troubleshooting – Helps diagnose problems such as hard starting, poor engine performance, rough idling, and loss of power.
Evaluates engine wear – Indicates the overall health and wear level of the engine's internal components.
Confirms repair quality – Verifies compression after engine repairs
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