Operation CHARM
: Car repair manuals for everyone.
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Mercury Truck
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2009
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Mariner 2WD V6-3.0L
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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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Specifications
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Spark Plug Gap
Spark Plug Gap
Spark Plug
Gap 2.5L I-4 hybrid
1.25-1.35 mm (0.049-0.053 inch)
Spark Plug
Gap 3.0L Duratec
1.15-1.25 mm (0.045-0.049 inch)