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Home >> Dodge and Ram >> 1989 >> Caravan Base, 2.5 K, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> EGR System >> Operation >> BACKPRESSURE Control System
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BACKPRESSURE Control System

A backpressure transducer measures exhaust gas pressure on exhaust side of EGR and regulates vacuum signal to EGR valve. The transducer uses the backpressure signal to provide the correct amount of EGR under all conditions.

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