Characteristics of the diagnosing process of high-pressure fuel pumps on the example of a spark-ignition engine
Piotr Sliż 1  
 
 
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Uniwersytet Gdański
CORRESPONDING AUTHOR
Piotr Sliż   

Uniwersytet Gdański
Online publication date: 2020-01-08
Publication date: 2020-01-08
Submission date: 2019-07-20
Final revision date: 2019-12-03
Acceptance date: 2020-01-03
 
Diagnostyka 2020;21(1):41–50
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ABSTRACT
The basic objective of the article was to identify inference algorithms (rules) in the diagnosis process of high pressure pumps (HP) on the example of gasoline engine units, designated as EP (THP). For the needs of the main objective, a partial goal was assigned. It was to characterize the symptoms and diagnostic codes indicating the malfunction of the high pressure pump. As a result of empirical proceedings, the results of the analysis of completed repairs of the high pressure fuel system were presented, then, based on the technical documentation and observation of the course of diagnostic activities in workshop conditions, the HP pump diagnostic process was recreated on the example of the tested EP unit. In addition, as a result of the study, factors shaping the correct implementation of the HP pump diagnosis process were identified. This study may be an incentive for a more in-depth analysis of the methodology for diagnosing low and high pressure fuel circuits in spark-ignition engines.
 
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