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2009
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Wrangler X, Automatic
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Ignition Control (Service Information)
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Specifications
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Spark Plug
Spark Plug
SPARK PLUG
Engine
Spark Plug Type
Plug Gap
Plug Thread Size
3.8L V-6
RE14PLP5
1.2 mm to 1.3 mm (0.048 to 0.053 inches)
14 mm (1 in. ) reach