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Eos (1F7) V6-3.2L (BUB) (2008)

Powertrain Management > Fuel Delivery and Air Induction > Fuel Pressure > System Information > System Diagnosis > Fuel Pump Electrical, Testing > Page 3179

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Fuel Pressure: Testing and Inspection
Fuel Pressure Regulator and Residual Pressure, Checking

Fuel Pressure Regulator and Residual Pressure, Checking

Special tools, testers and auxiliary items required

‹› Pressure Tester (VAS 6550)

‹› The fuel pressure regulator regulates the fuel pressure to approximately 4 bar.

‹› The fuel pressure regulator is located on the fuel filter. On US vehicles, the fuel pressure regulator is integrated into the fuel filter and cannot be

replaced.

‹› Observe the safety precautions. Refer to => [ Safety Precautions ] See: Service Precautions/Safety Precautions.

‹› Observe the rules for cleanliness. Refer to => [ Clean Working Conditions ] See: Service Precautions/Clean Working Conditions.

CAUTION!
The fuel supply line is under pressure! Wear protective goggles and protective clothing to prevent injuries and contact with skin. Before
disconnecting the connection, wrap a cloth around the connection. Then carefully release pressure by disconnecting the connection.

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Disconnect the supply line (metal coupling) - arrow - and collect any leaking fuel in a cloth.

‹› Press in the securing ring to disengage the fuel line.

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Connect the (VAS 6550) to the fuel supply line using (VAS 6550/1) and (VAS 6550/2).

Powertrain Management > Fuel Delivery and Air Induction > Fuel Pressure > System Information > System Diagnosis > Fuel Pump Electrical, Testing > Page 3179

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