volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 4542 > < Fuel Pressure Regulator|Locations|Page 4539
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Fuel Pressure Regulator: Testing and Inspection
With Manufacturer's Scan Tool

Fuel Pressure Regulator and Residual Pressure, Checking

The fuel pressure regulator regulates the fuel pressure relative to the intake manifold pressure.
The specified value for the check is dependent upon the working pressure of the fuel pump. This is approx. 3.0 bar.

Special tools and equipment

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VAG1318 pressure gauge

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1318/10 adapter

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1318/11 adapter

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1318/16 hose adapter

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VAG1921 hose clip pliers

Test conditions

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Fuel pump delivery rate OK

Test sequence

With Manufacturer's Scan Tool|Page 4542 > < Fuel Pressure Regulator|Locations|Page 4539