Ford 4.2 V6 Firing Order – It’s important to know which lender (or cylinder Top) is number 1 to assist determine a starting point for firing order or simply to replace the correct component, such as an Oxygen detector, energy injector or ignition coil.
Before everything that was needed to determine which lender or cylinder head is primary was to determine what cylinder head is located the farthest forward. The one that is regarded as the ahead (closest to the top from the engine) is the number one cylinder and this aspect is banking institution a single.
But some engines today have cylinder heads which are positioned consistently, that makes it more challenging to determine which is lender # 1 and which can be financial institution # 2. A few frequent good reasons we should know this, for example is always to figure out Oxygen indicator to change when you are looking for B1 S1 (Lender A single Sensor 1), or maybe you’re seeking to find an ignition coil to examine to get a P0301 (#1 cylinder misfire recorded) misfire code.
Items to consider