Full Product Manual

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4) Check the exhaust backpressure with engine running at 2000 rpm. The
tool will read off the actual backpressure value and compare with the
upper limit. Select OK to continue the test or Cancel to return to
previous menu.
Figure 5-42 Sample Exhaust Backpressure at 2000 RPM
 If the engine is not running at 2000 rpm, the tool will display a
warning message. Select OK to repeat the test or select Cancel to
exit.
5) Check the exhaust backpressure with engine running at cut-off speed.
The tool will read off the actual backpressure value and compare with
the upper limit. Select OK to end the test or Cancel to return to previous
menu.
 If the engine is not running at cut-off speed, the tool will display a
warning message. Select OK to repeat the test.
6) The tool will submit a summary report for your confirmation.