What is the firing sequence for a 2006 Ford F-150?

There isn't a single "firing sequence" for all 2006 Ford F-150 engines. The firing order depends entirely on the specific engine installed in the truck. The 2006 F-150 offered several engine options, each with a different firing order.

To find the correct firing order for *your* 2006 F-150, you need to identify the engine. This information is usually found on a sticker under the hood or in your owner's manual. Once you know the engine (e.g., 4.2L V6, 4.6L V8, 5.4L V8), you can then search online (e.g., using Google or a Ford forum) for the specific firing order for that engine.

Do not attempt to determine the firing order by trial and error. Getting it wrong can damage your engine. Always consult a reliable source such as your owner's manual or a reputable online resource.