What is the firing order for a 2004 Cadillac V6 engine?

The firing order for a 2004 Cadillac V6 engine, specifically the 3.6L V6 (LLY or LY7), is 1-2-3-4-5-6. This means that the cylinders fire in the sequence starting from cylinder 1, then 2, followed by 3, and so on, until cylinder 6. This firing order helps ensure smooth engine operation and balance.