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Home >> Chrysler >> 2007 >> Pacifica Base, 4.0 X >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 1 (EGR Function Testing - CHRYSLER Trucks) >> EGR Function Testing - CHRYSLER Trucks >> Test 2 >> Sub-EGR Control System
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Sub-EGR Control System

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Check vacuum lines for correct routing. Disconnect Green-stripe vacuum hose from carburetor. Attach a vacuum pump to vacuum hose. With engine idling, manually open sub-EGR control valve. Apply 6 in. Hg to EGR valve and engine should run rough. Reconnect vacuum hoses.

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