volkswagen Workshop Repair Guides

Volkswagen New Beetle L4-20L Workshop Service and Repair Manuals

Checking Fuel Pressure Regulator and Holding Pressure|Page 4963 > < Checking Fuel Pressure Regulator and Holding Pressure
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Remove fuse No. 28 (fuel pump) from fuse holder.

CAUTION:  Fuel system is under pressure. Before opening the system place a cloth around the connection. Then release pressure by carefully loosening
the connection.

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Pull off supply line -1 - and collect leaking fuel with a cloth.

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Connect pressure gauge V.A.G1318 to fuel supply line and to fuel rail with adapters V.A.G 1318/10, V.A.G 1318/11 and hose adapter V.A.G
1318/16.

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Open shut-off tap on pressure gauge. Lever points in direction of flow - arrow -.

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Refit fuse 28 (fuel pump) in fuse holder.

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Start engine and run at idling speed.

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Measure fuel pressure.

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Specification: approx. 2.5 bar

Checking Fuel Pressure Regulator and Holding Pressure|Page 4963 > < Checking Fuel Pressure Regulator and Holding Pressure