2004 Ford Expedition Firing Order – It’s important to know which financial institution (or cylinder head) is primary to aid determine a beginning point for firing order or perhaps to replace the correct part, such as an Oxygen indicator, fuel injector or ignition coil.
In the past all of that was needed to find out which financial institution or cylinder mind is primary was to see which cylinder mind is situated the farthest ahead. The one which is easily the most frontward (nearest the front side of your engine) is the best cylinder and this area is bank a single.
But a majority of engines right now have cylinder heads which are placed uniformly, rendering it tougher to determine which is lender number one and which happens to be lender second. A couple of typical motives we must know this, as an example would be to figure out Oxygen sensing unit to replace when you are looking for B1 S1 (Bank One Sensing unit One particular), or if perhaps you’re trying to track down an ignition coil to examine to get a P0301 (#1 cylinder misfire captured) misfire code.
What you should try out