Operation CHARM
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Subaru
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2007
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Outback F4-2.5L SOHC
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Description and Operation
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Spark Plug
Spark Plug
Spark Plug
The
spark plug
's thread
diameter is 14 mm (0.551 in)
and the gap is controlled to a value
between 1.0 and 1.1 mm (0.039 and 0.043 in)
.