volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

Fuel Pressure Regulator - Checking|Page 4674 > < Fuel Pressure Regulator - Checking|Page 4672
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Replace Fuel Pressure Regulator.

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If pressure drops again:

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Check Fuel Pump check valve. 

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Check fuel lines, O-rings on fuel rail and Fuel Injectors for leaks.

WARNING:  Before disconnecting pressure gauge, hold a container near the connection and reduce fuel pressure by opening the
valve to help prevent a potential fire hazard.

Fuel Pressure Regulator - Checking|Page 4674 > < Fuel Pressure Regulator - Checking|Page 4672