A8 Quattro Sedan V8-4.2L (BGK) (2006)
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Fuel Pressure: Testing and Inspection
Fuel Pressure Regulator and Residual Pressure without Return Line, Checking
Fuel Pressure Regulator and Residual Pressure without Return Line, Checking
Special tools, testers and auxiliary items required
‹› Hose clamps (3094)
‹› Fuel Inj. Pressure gauge (VAG1318)
‹› Adapter (VAG1598/26)
Test Conditions
‹› Fuel Pump (FP) Relay OK.
‹› Fuel Pump (FP) OK.
‹› Fuel filter OK.
‹› Battery voltage at least 12.5 V
‹› Vehicles with automatic transmission: Selector lever in P or N
‹› The parking brake button must be engaged in order to connect the electrical parking brake.
Test Sequence
