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Where is number 7 plug on a 03 Ford Expedition?

There's no standardized "number 7 plug" location across all 2003 Ford Expeditions. The location of spark plugs depends on the engine type (4.6L V8 or 5.4L V8). A diagram specific to your engine is needed.

To find the location:

1. Identify your engine: Check your vehicle's paperwork or the sticker on the driver's side doorjamb. This will tell you the engine displacement (4.6L or 5.4L).

2. Find a repair manual: A Haynes or Chilton repair manual for your specific year and engine will have detailed diagrams showing spark plug locations. You can find these manuals online or at auto parts stores.

3. Use an online resource: Some websites offer diagrams, but double-check their accuracy against your engine type. Be cautious about using generic diagrams.

Warning: Working on spark plugs requires some mechanical knowledge. If you're not comfortable doing this yourself, take your Expedition to a qualified mechanic. Incorrectly installing spark plugs can damage your engine.

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