Ford 4.0 Ohv Firing Order – It’s crucial that you know which financial institution (or cylinder Top) is # 1 to assist establish a starting point for firing order or maybe to change the correct aspect, such as an Oxygen indicator, gasoline injector or ignition coil.
Before everything was needed to determine which financial institution or cylinder brain is primary was to determine what cylinder mind is placed the farthest forwards. The one that is considered the most ahead (nearest the leading in the engine) is the main cylinder which area is financial institution a single.
But some engines nowadays have cylinder heads which are situated uniformly, that makes it more challenging to find out which is bank primary and that is financial institution second. Several popular factors we must know this, for example would be to establish Oxygen sensing unit to replace when you are interested in B1 S1 (Banking institution A single Indicator One particular), or maybe if you’re attempting to identify an ignition coil to inspect for the P0301 (#1 cylinder misfire documented) misfire code.
Points to consider