Audi Workshop Service and Repair Manuals > 100 Quattro Sedan L5-2309cc 2.3L SOHC (NF) (1989) > Powertrain Management | Fuel Delivery and Air Induction | Differential Pressure Regulator | Component Information | Description and Operation | General

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Differential Pressure Regulator: Description and Operation
Deceleration Fuel Cut-Off

Deceleration fuel cut-off is an ECU controlled function of the differential pressure regulator.

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