Firing Order For Ford Expedition 5.4 – It’s crucial that you know which bank (or cylinder head) is primary to help decide a starting point for firing order or simply to exchange the proper portion, like an Oxygen indicator, energy injector or ignition coil.
In the past everything that was needed to determine which banking institution or cylinder mind is number 1 was to find out which cylinder brain is positioned the farthest forwards. The one which is considered the most ahead (nearest the front side of the engine) is the top cylinder and that part is lender a single.
However, many engines right now have cylinder heads that are positioned consistently, that makes it harder to determine which is banking institution number one and which happens to be banking institution number two. A few frequent factors we should know this, as an illustration is always to determine Oxygen indicator to change when you are looking for B1 S1 (Bank A single Detector One), or if you’re trying to track down an ignition coil to inspect for a P0301 (#1 cylinder misfire saved) misfire code.
What you should consider