What is the correct firing order for an 1995 Oldsmobile achieva?

The correct firing order for a 1995 Oldsmobile Achieva, which typically has a 2.3L or 3.1L V6 engine, is 1-2-3-4-5-6. For the 2.3L engine specifically, the firing order is 1-3-4-2. Always refer to the vehicle's service manual for confirmation, as variations may exist depending on the specific engine configuration.