For the 2.4L 4 cylinder engine the cylinders are numbered 1, 2, 3, 4 starting from the front of the engine and the firing order is 1, 3, 4, 2.
For the 3.1L 6 cylinder engine the cylinders are numbered 1, 3, 5, for the head near the firewall and 2, 4, 6 for the head towards the front of the car and the firing order is 1, 2, 3, 4, 5, 6. This engine has a coil pack with 3 coils were the spark plug wires connect to. Starting from the left side these spark plug terminals are numbered 1, 4, 6, 3, 2, 5. Hope this helps you.
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1991 pontiac grand am firing order
4 cylinder
show me the moter for a 4 cylinder firing order
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