User Manual

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Figure 11.38
b) Press OK button to proceed and the tool displays as below. Or,
select Cancel to return to previous menu.
Figure 11.39
c) Check the exhaust backpressure with engine running idle. The
tool will read off the actual backpressure value and compare with
the upper limit (Figure 11.40). Select OK to continue the test or
Cancel to return to previous menu.
Figure 11.40