How to Measure Cylinder Pressure?

1 Answers
Regina
07/29/25 6:32pm
Install the cylinder pressure gauge onto the engine. First, warm up the vehicle by running the engine until it reaches normal operating temperature, maintaining the coolant temperature between 85 to 95 degrees Celsius. Remove all spark plugs or fuel injectors from the vehicle and ground the high-voltage wires. Fully depress the throttle to open the throttle valve completely. Screw the threaded pipe connector into the spark plug hole. Engage the starter for approximately two seconds, then read the pressure value. Press the one-way valve button to release pressure and reset the gauge pointer.
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