07 Ford Expedition Firing Order – It’s essential to know which bank (or cylinder Top) is number 1 to assist decide a starting point for firing order or simply to switch the correct part, such as an Oxygen indicator, gas injector or ignition coil.
Previously all of that was required to determine which bank or cylinder mind is number one was to determine what cylinder mind is located the farthest frontward. The one which is regarded as the forward (nearest to the front from the engine) is the number one cylinder which part is financial institution a single.
But many engines nowadays have cylinder heads that happen to be situated equally, rendering it more challenging to determine which is bank number 1 and which happens to be financial institution # 2. A couple of typical reasons we should know this, as an example is usually to determine Oxygen indicator to switch when you are looking for B1 S1 (Bank 1 Sensor One particular), or if you’re seeking to identify an ignition coil to examine to get a P0301 (#1 cylinder misfire saved) misfire code.
Things to try