02 Ford Expedition Firing Order – It’s crucial that you know which bank (or cylinder head) is primary to aid figure out a starting place for firing order or simply to exchange the right portion, like an Oxygen detector, fuel injector or ignition coil.
Previously everything that was required to determine which lender or cylinder brain is primary was to determine what cylinder head is positioned the farthest frontward. The one that is considered the most frontward (closest to the leading in the engine) is the number one cylinder and that part is banking institution one particular.
But some motors right now have cylinder heads which can be situated equally, that makes it more challenging to determine which is bank number one and which happens to be financial institution number 2. Several frequent good reasons we have to know this, for instance is to determine Oxygen sensor to replace when you are interested in B1 S1 (Lender 1 Detector One), or maybe if you’re looking to track down an ignition coil to inspect for any P0301 (#1 cylinder misfire recorded) misfire code.
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