2004 Ford Explorer Firing Order 4.0 – It’s crucial that you know which banking institution (or cylinder Top) is primary to assist determine a place to start for firing order or maybe to switch the right component, as an Oxygen sensor, energy injector or ignition coil.
Previously everything was needed to determine which financial institution or cylinder head is primary was to determine which cylinder brain is positioned the farthest frontward. The one that is the most frontward (closest to the leading in the engine) is the top cylinder and that aspect is lender one.
However, many motors today have cylinder heads which can be located equally, making it more difficult to determine which is financial institution primary and that is lender second. A couple of common factors we need to know this, as an illustration is usually to establish Oxygen detector to switch when you are searching for B1 S1 (Bank One particular Sensor One particular), or maybe you’re looking to locate an ignition coil to examine for any P0301 (#1 cylinder misfire saved) misfire code.
What you should attempt