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Conducting a Cylinder Compression Test. Before conducting a compression test, disable the ignition and the fuel injection system if the engine is so equipped.
Connect a remote starter button to the starter system.
Connect a battery charger to the car to allow the engine to crank at consistent and normal speeds needed for accurate test result. Depress the remote starter button and observe the gauge's reading after the first engine revolution. Allow the engine to turn through four revolutions and observe the reading after the fourth.
After testing all the cylinders. If one or more cylinders is much lower than the other, continue nder with testing those cylinder with the test. Squirt a small amount of oilring sealing into weak cylinder. Reinstall the compression gauge into that cylinder and conduct the test. If the reading increases with the presence of oil in the cylinder,.
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Remove the rocker assembly and pressure test the cylinders.Remove the rocker assembly and pressure test the cylinders.
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When performing a compression test the readings should be?
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