Audi Workshop Service and Repair Manuals

Fuel Pressure Regulator: Electrical Specifications

COLD START VALVE

Resistance .........................................................................................................................................................................................  Approx. 10 ohms

IDLE STABILIZER VALVE

Resistance ......................................................................................................................................................................................................  3-8 ohms
Nominal current @ idle [1] .......................................................................................................................................................................  410-450mA

 
OXYGEN SENSOR FREQUENCY VALVE

Duty cycle (Dwell) [2]...........................................................................................................................................  40% - 60% (35° - 55°) and varying

[1] Engine at normal operating temperature and idling @ 750 - 850 rpm with no load, electrical or otherwise.

[2] Engine at normal operating temperature - closed loop operation.