The firing order is 1-3-4-2, numbered from left to right as you look at the engine.
135 246 Front of car
your firing order for your probe is 1-4-3-2
1 3 5 2 4 6 front of vehicle
the firing order for a 2.5 v6 is 1,2,3,4,5,6
Firing Order Is 1-3-4-2
3-1-4-2
123456
There is no such thing as a 2,6L. It is a 2.5L. The firing order is, 1 3 5 2 4 6
According to the manual, 1-3-4-2. Cylinder numbering from left to right, looking at the engine from the front.
the cylinder numbers are the following if you are facing the front of the car looking at the motor: 1 3 5 2 4 6 the firing order is 1,2,3,4,5,6
1-3-4-2
Click the link and choose the correct engine.