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Influence of the faulty MAP sensor on some operation parameters of an automobile spark-ignition engine

Author(s):
1. Nebojša Nikolić, Fakultet tehničkih nauka Univerziteta u Novom Sadu, Serbia
2. Jovan Dorić, Fakultet tehničkih nauka Univerziteta u Novom Sadu, Serbia
3. Nenad Raspopović, Fakultet tehničkih nauka Univerziteta u Novom Sadu, Serbia
4. Ivan Klinar, Fakultet tehničkih nauka Univerziteta u Novom Sadu, Serbia


Abstract:
The research was conducted for the purpose of determining the possibility of diagnosing faulty MAP sensor readings of an automobile spark ignition engine. In that sense, an engine with no air-flow meter, operating under steady-state conditions, was tested on the test stand. The engine fuel system was operating in a closed-loop mode with the oxygen sensor. The tests were carried out in several operating points, first with the engine operating without any faults and then with a reading fault of a MAP sensor. Three different intensities of a mentioned fault and their impact on the engine speed sensor and MAP sensor signals were considered in the study. The measured values were compared with the corresponding values obtained with the engine operating under no-fault conditions. The results are shown in the diagrams followed by the appropriate comments.

Key words:
IC engine,MAP sensor,reading fault

Thematic field:
Automotive and Traffic Engineering

Date of abstract submission:
20.03.2015.

Conference:
12th International conference on accomplishments in Electrical and Mechanical Engineering and Information Technology (DEMI 2015)

Final paper

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