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Home >> Jeep >> 1981 >> Pickup J20, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Gas RECIRCULATION >> Operation >> Forward Delay Valve

Forward Delay Valve

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

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