New Beetle GL L4-2.0L (AZG) (2002)
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Wait until pressure has risen, and then switch off ignition. Simultaneously close shut-off valve of (V.A.G 1318) pressure gauge (lever
perpendicular to direction of flow -arrow-).
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Observe pressure drop on pressure gauge.
If pressure does not drop:
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Test check-valve of Fuel Pump (FP).
If pressure does drop again:
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Check pressure gauge for proper seal.
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Check whether line connections, O-rings in fuel distributor, and fuel injectors are properly sealed.
If no leaks are found:
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Replace fuel pressure regulator, item 14.
NOTE: Before removing pressure gauge, place cleaning rags again around line connection which is to be disconnected and remove fuse 28 from fuse
holder again.
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Erase DTC memory of Engine Control Module (ECM) to bring adaptation values into a neutral state, Diagnostic mode 4: Reset/erase diagnostic
data.
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes