2001 Ford 5.4 Firing Order Diagram – It’s vital that you know which financial institution (or cylinder head) is number one to aid figure out a starting place for firing order or just to change the proper portion, as an Oxygen sensor, energy injector or ignition coil.
Previously all of that was necessary to find out which lender or cylinder mind is number one was to determine what cylinder brain is positioned the farthest forwards. The one which is considered the most frontward (nearest the top from the engine) is the number one cylinder and this area is financial institution a single.
But many motors these days have cylinder heads which are situated uniformly, making it more difficult to determine which is bank primary and that is bank # 2. A few frequent reasons we need to know this, for instance is usually to figure out Oxygen sensing unit to replace when you are interested in B1 S1 (Lender One particular Sensor A single), or if perhaps you’re attempting to track down an ignition coil to inspect for the P0301 (#1 cylinder misfire documented) misfire code.
What you should consider