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Home >> Ford >> 2008 >> F 150 4WD V8-4.6L >> Repair and Diagnosis >> Specifications >> Mechanical Specifications >> Spark Plug >> Spark Plug Gap
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Spark Plug Gap


Spark plug gap 4.2L 0.052-0.056 inch (1.32-1.42mm)
Spark plug gap 4.6L 0.052-0.056 inch (1.32-1.42mm)
Spark plug gap 5.4L 0.040-0.050 inch (1.02-1.28mm)
The 5.4L 3 valve and 5.4L 3 valve FFV engine only, the SPARK PLUG GAP CAN NOT BE ADJUSTED
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