Operation CHARM
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2004
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Ranger 4WD V6-4.0L VIN E
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Repair and Diagnosis
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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 2.3L I-4
1.05 - 1.15 mm (0.041-0.045 inch)
Spark Plug
Gap 3.0L v6
1.07 - 1.17 mm 0.042-0.046 inch
Spark Plug
Gap 4.0L v6
1.57 - 1.73 mm (0.061-0.068 inch)