What is the firing order for a 3.1 in a 1999 Monte Carlo?

The firing order for a 3.1L V6 engine in a 1999 Monte Carlo is 1-2-3-4-5-6. This means that the cylinders fire in that specific sequence, starting from cylinder 1. The cylinder layout follows a specific arrangement, typically with cylinders 1-3-5 on one bank and 2-4-6 on the other. Always refer to the vehicle's service manual for detailed information and diagrams.