Golf III L4-2.0L (ABA) (1995)
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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.