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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1996
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Cougar/XR7 V6-232 3.8L
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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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Testing and Inspection
Spark Plug: Testing and Inspection
CLEANING AND INSPECTION
Spark Plugs
Inspect the electrodes and outer surface. Refer to Spark Plug Inspection Chart. Replace spark plugs if they are worn or damaged.