FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Car repair manuals for everyone.
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Mercury
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2003
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Grand Marquis V8-4.6L VIN W
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Repair and Diagnosis
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Specifications
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Pressure, Vacuum and Temperature Specifications
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Fuel Delivery and Air Induction
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System Specifications
System Specifications
Item
Specification
Key On, Engine Off
140-415 kPa (20-60 psi)
Engine Running
170-280 kPa (25-40 psi)