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Standing in front of the vehicle looking at the the coil packs, there are three of them. From left to right, the first coil pack is 1 & 4, the second coil pack is 6 & 3, and the third coil pack is 2 & 5. Now still standing in front of the engine, the first three cylinders in front of the radiator are 2,4 & 6 and the last three near the firewall are 1,3 & 5. The firing order is 1,2,3,4,5,6 if it is a 2.8 or 3.1. What you did not say is what engine it has (2.8 VIN "W" or 3.1 VIN "T") and if it is a Cutlass Supreme or Ciera or what Cutlass.

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16y ago
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Q: What is the firing order for a 1989 Oldsmobile cutlass?
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