Pressure diagnostic kit
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In-cylinder pressure testing
Comming soon! Advanced Pressure Diagnostic Kit
Analysis of the cylinder pressure waveform on a gasoline engine makes it possible to determine the proper synchronization between the crankshaft and the camshafts. Measurement and comparison of cylinder pressure values at certain points provides real-time data that can be very helpful in determining engine health.
It can be used practically with all pressure kits that are available on the market due to its universal output fitting. This versatility extends the application of the kit allowing you to check engine exhaust gases, exhaust system check, measure the turbo boost pressure, fuel and air pressures and compression tests to access the overall engine condition by observing the waveform at one cylinder when the engine is cranking.
Cylinder pressure waveform also allows you to collect the following important pieces of data:
- Accurate indication of the spark event timing in relation to TDC than is possible using the scan tool data stream;
- The mechanical condition of the engine by skillfully observing scope pattern of the pressure difference before and after the compression stroke;
- Position of the exhaust camshaft by observing the timing of the exhaust valve opening;
- The correct position of the intake camshaft by observing the intake/exhaust valve overlap position and the opening of the intake valve;
- The condition of the exhaust valve guide in the cylinder tested by waveform analysis;
- A clogged exhaust by unusually high pressure during the exhaust stroke, which occurs between 180ᴼ and 360ᴼ after the TDC compression wave;
- Intake vacuum using the cylinder pressure waveform;
- Timing belt issues by comparing valve action from frame to frame.