FIELD: machine building.
SUBSTANCE: invention relates to methods and systems for detecting clogging of spark plugs caused by accumulation of fuel additives on them. According to one of the examples, the engine controller can be inferred by hot clogging of spark plugs by exhaust gas temperature exceeding preset value by comparison of increased temperature of exhaust gases with late combustion as a result of accumulation of additives.
EFFECT: certainty factor of detecting hot clogging of spark plugs can be increased considering data relating to simultaneous misfiring and/or premature ignition.
15 cl, 5 dwg
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