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Lincoln
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2007
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Navigator 2WD V8-5.4L
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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
0.040-0.050 inch (1.15 +/- 0.13 mm)
The
Spark plug
gap can not be adjusted