What is the firing order for a 2003 Ford Expedition?
The 2003 Ford Expedition, depending on the engine, has one of two firing orders:
* 4.6L V8: 1-5-4-8-6-3-7-2
* 5.4L V8: 1-6-5-4-3-2-7-8
You must determine which engine is in your specific vehicle to know the correct firing order. Check your vehicle's documentation or the engine itself for identification.