
CHAP. 7 - USE OF THE INSTRUMENT
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ENGLISH
AGS-200
7.1.6.2 GAS
DIAGNOSIS
This test is for vehicles without catalytic converters or where the sample probe can be
inserted ahead of the catalytic converter.
The test involves measuring the exhaust fumes at a raised engine speed of 2000-2500
rpm and at idle speed. The operator must follow the instructions that are shown on the
display and the test result will appear at the bottom right of the display as indicated.