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Engine Controls - System/Component Tests - 4-CYL
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Emission Systems & Sub-Systems
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EGR Vacuum Modulator
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Notes
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EGR Vacuum Modulator: Notes
NOTE:
When testing EGR vacuum modulator, it may be necessary to 55 monitor engine RPM by using scan tool. Scan tool may be connected to DLC-3 for monitoring engine RPM. See
Figure
-
Figure
or
Figure
-
Figure
.