volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pump, Checking|Page 7582 > < Fuel Pump, Checking|Page 7580
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Fuel Pressure: Testing and Inspection
Residual Pressure, Checking

Residual Pressure, Checking

Special tools, testers and auxiliary items required

‹› High pressure fuel gauge

Test requirements

‹› Fuel pressure OK

CAUTION!
Fuel supply line is under pressure! Wear protective goggles and protective clothing to prevent injuries and contact with skin. Before
loosening hose connections, place rags around the connection point. Then release pressure by carefully pulling on hose.

Test procedure

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Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Computers and Control Systems/Testing
and Inspection/Scan Tool Testing and Procedures/Preliminary Check

Start diagnosis

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Disconnect the fuel supply line - 2 - and catch leaking fuel using a rag.

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Install a High pressure fuel gauge in place of the fuel supply line.

Fuel Pump, Checking|Page 7582 > < Fuel Pump, Checking|Page 7580