FIELD: engines and pumps.
SUBSTANCE: spark plug tester (SPT) of an automobile gasoline internal combustion engine (ICE) includes an electric air compressor, a spark plug box, a high-voltage pulse generator and a power source. Gas impermeability, presence and quality of the spark discharge in the spark gap of the spark plug is tested with SPT with air pressure equal to the compression or pressure of the air-fuel mixture in the internal combustion engine cylinders up to 17 bar inclusive.
EFFECT: high accuracy of spark plug testing.
1 cl, 8 dwg
