volkswagen Workshop Repair Guides

Volkswagen Rabbit L5-25L (CBUA) Workshop Service and Repair Manuals

Fuel Pressure Regulator and Residual Pressure, Checking|Page 976 > < Fuel Pressure Regulator and Residual Pressure, Checking|Page 974
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Fuel Pressure: Testing and Inspection
Fuel Pump Delivery Quantity, Checking

Fuel Pump Delivery Quantity, Checking

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Voltage supply OK.

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Fuel pressure regulator and residual pressure OK.  See: Fuel Pressure Regulator and Residual Pressure, Checking

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Fuel filter OK.

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Remove fuel filler cap from fuel filler tube.

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Remove seat bench.

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Unclip cover - 1 - from fuel delivery unit. Arrow - 2 - points in direction of travel.

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Disconnect harness connector - 1 - from fuel delivery unit.

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Place test instrument adapter/DSO (5-pin) VAS 5565 on the connector and on the fuel delivery unit.

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Connect remote control V.A.G 1348/3A to the test instrument adapter/DSO (5-pin) VAS 5565 and to battery plus (+).

NOTE:  Delivery rate of Fuel Pump (FP) is measured at 4 bar. Therefore, measure fuel pressure before measuring delivery rate.  See: Fuel

Fuel Pressure Regulator and Residual Pressure, Checking|Page 976 > < Fuel Pressure Regulator and Residual Pressure, Checking|Page 974