firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front of Ford Expedition
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
(looking at the engine) Left bank, 3rd cylinder back.
the third one on passengers side starting from front of car
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
4 - 8 3 - 7 2 - 6 1 - 5 front
4 - 8 3 - 7 2 - 6 1 - 5 front
If you are facing the front of the engine 1 is the cylinder closes to you on the left then 2 behind that then 3 and after that it is 4, on the right side it goes 5,6,7,8.
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front
firewall 4 - 8 3 - 7 2 - 6 1 - 5 front