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What is the spark plug gap specification in a 2003 Ford F-150 V8 5.4 L?

The recommended spark plug gap for a 2003 Ford F-150 5.4L V8 is 0.040 to 0.044 inches (1.02 to 1.12 mm). However, always double-check your owner's manual for the most accurate and up-to-date information. The specific gap might vary slightly depending on the type of spark plug used.