How to use the Repco Compression Tester
If your motor is misfiring or if you just want to check the health of your engine, a compression tester is the right tool – simple to use, but capable of diagnosing many engine faults. Always buy a quality one that has an adaptor for different size spark plug holes and a valve that holds the measurement until released. This Repco Compression Tester Cylinder is perfect for tests on petrol vehicles. It has an adaptor for different spark plug sizes, and a hold valve, as well as spare “O” rings so that you can use it for years without problems.