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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2009
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Grand Marquis V8-4.6L
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Repair and Diagnosis
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Specifications
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Electrical Specifications
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Ignition Timing
Ignition Timing
Item
Specification
Bases
ignition timing
10 degrees Before Top Dead Center (BTDC) (not adjustable)