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Home >> Porsche >> 2016 >> Macan S >> Repair and Diagnosis >> External Pages >> Different car >> Section 474 (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

WARNING: This page is about a different car, the 2018 Land Rover Range Rover, 2017 Land Rover Range Rover, 2016 Land Rover Range Rover, 2015 Land Rover Range Rover, and 2014 Land Rover Range Rover. However, it is still accessible from the selected car via links, so may be relevant.

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.

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