S80 T6 Executive L6-2.8L Turbo VIN 90 B6284T (2001)
Corrective actions:
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Start the engine.
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Drive the car and read off fuel pressure while the car is being driven. The fuel pressure should be:375-395 kPa (54.4 - 57.3 psi).
Caution! Note! At constant engine loads the fuel pressure should be stable. At acceleration or during engine braking the fuel pressure may vary
between the maximum and minimum readings.
Removing fuel pressure gauge