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2007
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A8L Quattro Sedan (4E8) V8-4.2L (BVJ)
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Fuel Pressure
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Specifications
Fuel Pressure: Specifications
Fuel Pressure
Before High Pressure Pump
Using fuel injector pressure gauge VAG 1318
approximately 5.5 bar (4.5 to 6.5 bar) positive pressure
Residual pressure after 10 minutes
At least 3 bar
Fuel Pump Delivery Quantity