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Audi
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2004
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A8L Quattro Sedan (4E8) V8-4.2L (BFM)
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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
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Mechanical Specifications
Mechanical Specifications
Fuel pressure
at idling speed
Vacuum hose connected approx. 3.5 bar positive pressure
Vacuum hose disconnected approx. 4.0 bar positive pressure
Residual pressure after 10 minutes
at least 2.5 bar positive pressure