What is the firing order for a Oldsmobile Alero?

The Oldsmobile Alero used a few different engines. To determine the firing order, you must know the engine size (e.g., 2.2L, 2.4L, 3.4L). The firing order varies depending on the engine.

You'll need to find your engine's specifications, possibly on a sticker under the hood or in your owner's manual. Once you have the engine displacement, you can search online (e.g., Google) for "[Engine size] Oldsmobile Alero firing order" to find the correct sequence.