1997 Ford Expedition 5.4 Firing Order Diagram – It’s essential to know which banking institution (or cylinder head) is # 1 to aid determine a beginning point for firing order or maybe to switch the appropriate portion, just like an Oxygen sensing unit, gas injector or ignition coil.
In the past all that was essential to determine which financial institution or cylinder head is # 1 was to determine what cylinder go is located the farthest ahead. The one which is the most forwards (nearest the front from the engine) is the number one cylinder and therefore part is banking institution a single.
But a majority of engines these days have cylinder heads that are placed evenly, making it harder to find out which is bank # 1 and which can be bank number 2. A couple of typical reasons we should know this, for example is to establish Oxygen indicator to exchange when you are searching for B1 S1 (Banking institution 1 Sensing unit A single), or maybe you’re looking to track down an ignition coil to inspect for the P0301 (#1 cylinder misfire captured) misfire code.
What you should consider