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Home >> Saab >> 2011 >> 9-4X 3.0i, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Management And Fuel System, V6 >> Fault diagnosis, fault codes >> DTC P0641: 5 V Reference Circuit; DTC P06A6: 5 V Reference Performance (Fuel Pump Control Module) >> Circuit/System Description

Circuit/System Description

The fuel pressure sensor is located on the fuel line. The fuel pressure sensor monitors the fuel pressure in the fuel line. The fuel pump control module monitors the voltage signal from the fuel pressure sensor.

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