volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Regulator and Holding Pressure, Checking|Page 4515 > < Fuel Pressure Regulator and Holding Pressure, Checking|Page 4513
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Vehicles with engine code BBW, BEV

Function

The fuel pressure regulator controls the fuel pressure as a function of the Manifold Absolute Pressure (MAP).

Recommended special tools and equipment

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V.A.G 1318 pressure gauge

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V.A.G 1318/9 adapter

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V.A.G 1318/17 adapter

Work sequence

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Remove cover in front of fuse holder.

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Remove fuse no. 28 from fuse holder.

NOTE:  By removing fuse 28, the voltage supply for the Fuel Pump (FP) is interrupted for safety reasons, otherwise the Fuel Pump (FP) would
start up when the driver's door is opened.

Fuel Pressure Regulator and Holding Pressure, Checking|Page 4515 > < Fuel Pressure Regulator and Holding Pressure, Checking|Page 4513