Abstract
The article presents an original method for regenerating common rail injectors, which involves extending the standard diagnostic procedure with a phase of analytical calculations. These calculations were conducted based on the closed Newton-Cotes formula (commonly known as the trapezoidal rule), allowing for the estimation of the resulting fuel injection surface areas and their comparison with the manufacturer's reference. The presented example demonstrates that the proposed solution is particularly useful in challenging situations where a clear assessment of the injector's technical condition is difficult. Several other advantages have been highlighted, making this method suitable for application in laboratory and workshop conditions.
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