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Home >> Mazda Truck >> 2002 >> B4000 DS Cab Plus 4 2WD V6-4.0L SOHC >> Repair and Diagnosis >> Relays and Modules >> Relays and Modules - Powertrain Management >> Relays and Modules - Computers and Control Systems >> Engine Control Module >> Description and Operation >> EGR System

EGR System

PCM
- Calculates the desired amount of EGR flow for a given engine condition. It then determines the desired pressure drop across the metering orifice required to achieve that flow and outputs the corresponding signal to the EGR vacuum regulator solenoid.

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