volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 2082 > < System Pressure|Page 2079
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Fuel Pressure: Testing and Inspection
With Manufacturer's Scan Tool

Fuel pressure regulator and residual pressure, checking

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

Special tools and equipment

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VAG 1318 pressure gauge

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VAG 1318/7 adapter

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VAG 1318/10 adapter

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VAG 1318/13 adapter

Test condition

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Capacity of transfer Fuel Pump (FP) must be OK, checking:

Test sequence

WARNING! Fuel system is under pressure! Before opening the fuel system, place rags under and around the connection then slowly release the 

With Manufacturer's Scan Tool|Page 2082 > < System Pressure|Page 2079