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Home >> Jeep >> 1987 >> Comanche Base, 2.5 H, 4WD, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> EGR System >> Operation >> Forward Delay Valve
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Forward Delay Valve

Forward delay valve is located between EGR CTO switch and EGR valve. It modifies initial vacuum signal applied to EGR valve by delaying full vacuum force.

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