What is a firing order diagram on a 98 Oldsmobile aurora 4.0 v8?

The firing order diagram for a 1998 Oldsmobile Aurora with a 4.0L V8 engine indicates the sequence in which the engine's cylinders ignite to ensure smooth operation and balance. For this engine, the firing order is 1-2-7-3-4-5-6-8. The diagram typically illustrates the cylinder layout and helps in diagnosing ignition and timing issues, as well as in performing maintenance like spark plug replacement. Understanding the firing order is crucial for optimal engine performance and efficiency.