1986 Pontiac Firebird 2.8 Liter Firing Order
The firing order for a 2.0 L. is 1423.
123456 is the firing order.#1 is if you are looking at the front of the car to your left the last plug wire on the left would be #1
1, 3, 4, 2.
Firing is 1-3-4-2 on a 1986 celb with the 2.5L 4 Pontiac Iron Duke. The order is found on the intake manifold.
I do belive its the same as the 1985.It would be 123456
it look lik you dont know realy what im asking!
I have an '87 s10 with a 2.8L v6, the firing order is 123456. I am quite sure that your firebird is the same.
The firing order of the 1986 Nissan Hardbody is 1, 3, 4, 2. This is the 2.4 Liter 4 cylinder engine.
Firing order 1-2-3-4-5-6