2004 Ford Mustang 3.9 Firing Order – It’s vital that you know which lender (or cylinder Top) is # 1 to assist determine a starting point for firing order or perhaps to replace the right part, just like an Oxygen sensing unit, fuel injector or ignition coil.
Previously all that was needed to determine which bank or cylinder brain is number one was to determine what cylinder mind is positioned the farthest forward. One that is easily the most ahead (nearest to the top of your engine) is the main cylinder and therefore aspect is bank 1.
But a majority of motors these days have cylinder heads that happen to be situated consistently, making it more challenging to determine which is banking institution number one and which can be banking institution second. A number of typical good reasons we must know this, as an example is usually to determine Oxygen sensing unit to exchange when you are searching for B1 S1 (Financial institution A single Detector 1), or if you’re looking to identify an ignition coil to examine for the P0301 (#1 cylinder misfire documented) misfire code.
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