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The firing order is 1-2-3-4-5-6. Facing the front of the car, the "front" three spark plugs are, from left to right; 2,4, and 6. Between the engine and the firewall are the "back" three plugs. From left to right; 1,3, and 5. The DIS coilpack is located on the "front" side of the engine, below the exhaust manifold. The plug wires attach in a straight line, across the top of the DIS coil in this order; 1-4-6-3-2-5.

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Q: What is the firing order for a 1990 olds cutlass supreme 3.1litre and where is 1 and which the cyl are 123456 or what it has a coilpack?
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