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Ford
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2004
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F 150 4WD Pickup V8-5.4L SOHC VIN 5
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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 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 5.4 3 valve
SPARK PLUG
GAP CAN NOT BE ADJUSTED