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Home >> Land Rover >> 2015 >> Range Rover Autobiography >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (Fuel Tank & Lines - V6 S/C 3.0L Petrol -- Range Rover/L405) >> Fuel Tank And Lines - V6 S/C 3.0L Petrol >> Fuel Tank And Lines (Description And Operation) >> Description And Operation >> Description >> Pressure Relief Valve

Pressure Relief Valve

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The Pressure Relief Valve (PRV) is installed in the pipe between the LP fuel pump and the fuel pump module flange to protect the system from excess pressure. The pressure relief valve releases fuel back into the tank if pressure in the pipe increases from 7.3 to 8.3 bar (105.9 to 120.4 lbf/in.2 ) gauge.