For 2003 Ford Expedition there are 4 different engines:
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For Expedition 4.6L engines: Firing Order 1-3-7-2-6-5-4-8
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For Frod Expedition 5.4L engines:
Firing order 1-3-7-2-6-5-4-8
Which firing order goes out first on a 2003 Ford - archaeology_5.jpeg/images/archaeology_5.jpeg" alt="archaeology_5.jpeg" class="h_mi" />
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Ford Expedition 4.0L engines:
Firing order 1-4-2-5-3-6 Which firing order goes out first on a 2003 Ford - archaeology_6.jpeg ---
==============================================================Which firing order goes out first on a 2003 Ford - archaeology_78.jpgd Expedition 6.8L engines:
Firing Order: 1-6-5-10-2-7-3-8-4-9
SOURCE: firing order diagram for 1999 ford expedition 2wd
U didn't say what engine, so I picked the 4.6 which is the most common one.
SOURCE: need the firing order diagram
The 4.6 L SOHC engine used in the 1997 F-150 has a spark plug firing order 1 - 3 - 7 - 2 - 6 - 5 - 4 - 8
SOURCE: firing order 1997 ford expedition
1997 Ford Expedition 2WD - 5.4 liter SOHC V-8 VIN "L"
1997 Ford Expedition 4WD - 4.6 liter V-8 VIN "6"
Other engine sizes can find in Firing Order
Hope helped, remember rated this help. Good luck.
SOURCE: 2005 firing order Ford Expedition
drivers side all the way back. 1234 is on passagers side, 5678 drivers side.
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