What is the firing order diagram 2004 Mazda 6?

The firing order for the 2004 Mazda 6, equipped with a 2.3L inline-4 engine, is 1-3-4-2. This means that the cylinders fire in the sequence of cylinder 1, followed by 3, then 4, and finally 2. For the V6 variant, the firing order is 1-2-3-4-5-6. Always refer to the vehicle's service manual for specific details and diagrams.