Passat Sedan L4-1781cc 1.8L Turbo (AEB) (1999)
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VAG 1318 handle in direction of flow
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Start engine and let idle.
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Switch OFF ignition after pressure has built- up, at same time pinch/seal return hose.
If pressure does not drop
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Replace fuel pressure regulator If pressure drops again
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Check line connections, O-rings on fuel manifold and fuel injectors for leakage.
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Check pressure gauge for leaks.
WARNING!
Fuel system is under pressure! Before opening the system place a cloth around the connection. Then release pressure by carefully loosening the
connection.
