FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
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Mercury
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1999
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Grand Marquis V8-4.6L VIN W
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Repair and Diagnosis
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Powertrain Management
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Emission Control Systems
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Exhaust Gas Recirculation
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EGR Electronic Vacuum Regulator Solenoid
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Description and Operation
EGR Electronic Vacuum Regulator Solenoid: Description and Operation
The
EGR vacuum regulator solenoid
uses input from the powertrain control
module to change the
EGR valve
operation.