Evaluation of the effectiveness of on-board diagnostic systems in controlling exhaust gas emissions from motor vehicles
1
UWM Olsztyn
Submission date: 2019-07-05
Final revision date: 2019-11-25
Acceptance date: 2019-11-26
Online publication date: 2019-11-28
Publication date: 2019-11-28
Diagnostyka 2019;20(4):75-79
KEYWORDS
TOPICS
ABSTRACT
Toxic exhaust gas emissions from internal combustion engines pose the key barrier to vehicle development. Direct measurements of emission levels and toxic compounds present in exhaust gas pose a technical challenge, which is why vehicle emissions are determined by monitoring the parameters of various systems and components. On-board diagnostic systems support engine monitoring in real time. Most on-board diagnostic systems are standardized, therefore their functions can be modified relatively easily. This paper analyzes the functions of the existing on-board diagnostic systems and proposes solutions that prevent unauthorized tampering with vehicle emission systems.
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