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Home >> Mercury >> 2008 >> Grand Marquis V8-4.6L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Fuel Pressure >> Specifications

Fuel Pressure: Specifications

Item Specification

Fuel Pressure
Engine running 170-280 kPa (25-40 psi)
Hot restart 448-482 kPa (65-70 psi)
Key ON, engine OFF 140-415 kPa (20-60 psi)

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