FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM
:
Car repair manuals for everyone.
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Mercury
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1997
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Grand Marquis V8-4.6L CNG SOHC VIN 9
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Repair and Diagnosis
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Powertrain Management
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Tune-up and Engine Performance Checks
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Spark Plug
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Adjustments
Spark Plug: Adjustments
Using a suitable
spark plug
gap tool, adjust spark plug gap to
1.1-1.2 mm (0.042-0.046 in)
following tool manufacturer's instructions.