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Firing order 2003 f 150 4.6 v8?

The firing order for a 2003 Ford F-150 with a 4.6L V8 engine is 1-5-4-2-6-3-7-8.

This means that the cylinders fire in that specific order.

It's helpful to remember that this is a standard firing order for most Ford 4.6L V8 engines. However, it's always best to double-check your specific engine configuration by referring to your owner's manual or a reliable automotive repair guide.