Firing Order?

2003 FORD EXPEDITION
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JOEJAN
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V8 four wheel drive automatic 211,097 miles.

What is the firing order for my SUV?
Apr 14, 2008 at 1:50 PM
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RASMATAZ
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See below for 4.6 and 5.4 Liter engines.


https://images.2carpros.com/forum/automotive_pictures/12900_fo_4.jpg

Apr 14, 2008 at 2:00 PM
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AMBER GARBER
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Just trying to find out the firing order for the spark plugs on this?
Sep 28, 2020 at 12:15 PM (Merged)
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RASMATAZ
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Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.


https://images.2carpros.com/forum/automotive_pictures/12900_fo_128.jpg

Sep 28, 2020 at 12:15 PM (Merged)
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YOBEGAY
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I was wondering how are the coils placed in the engine by numbers? Where are they placed (1,2,3,4,5,6,7,and 8) What number is on passanger side and what numbers are on driver side. If you could let me know. I'm getting confused on it. Thanks.

Yolanda
Sep 28, 2020 at 12:15 PM (Merged)
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DAVE H
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Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.


https://images.2carpros.com/forum/automotive_pictures/266999_fire_5.jpg

Sep 28, 2020 at 12:15 PM (Merged)
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RICHARDWARD
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the car has had it's plugs and wires changed but car is still misfiring is the firing order is correct ?
Nov 12, 2020 at 10:51 AM (Merged)
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DAVE H
  • ASE Certified Mechanic
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Here is the engine firing order so you can check it please look at the diagrams below as well

Firing Order 1-3-7-2-6-5-4-8

The RH (Passenger's) side .................... Cylinders 1, 2, 3, and 4

The LH (Driver's side) .................... Cylinders 5, 6, 7 and 8

Check out the diagrams (Below). Please let us know if you need anything else to get the problem fixed.
Nov 12, 2020 at 10:51 AM (Merged)
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