2004 Ford Explorer Firing Order 4.0 – It’s crucial that you know which banking institution (or cylinder Top) is primary to assist determine a place to start for firing order or maybe to switch the right component, as an Oxygen sensor, energy injector or ignition coil.
Previously everything was needed to determine which financial institution or cylinder head is primary was to determine which cylinder brain is positioned the farthest frontward. The one that is the most frontward (closest to the leading in the engine) is the top cylinder and that aspect is lender one.
However, many motors today have cylinder heads which can be located equally, making it more difficult to determine which is financial institution primary and that is lender second. A couple of common factors we need to know this, as an illustration is usually to establish Oxygen detector to switch when you are searching for B1 S1 (Bank One particular Sensor One particular), or maybe you’re looking to locate an ignition coil to examine for any P0301 (#1 cylinder misfire saved) misfire code.
What you should attempt
A number of cylinder engines usually have the #1 cylinder closest to the front from the engine (just one single financial institution).
V-6 or V-8 seek out the connect that may be nearest to the top in the engine, in the event the cylinder heads are even an alternate means of identifying #1 is going to be essential.
Don’t neglect the apparent, check up on the spark connect wire itself for cylinder amounts.
Also look into the ignition coil for phone numbers.
For those who have a check device, consider disconnecting an oxygen indicator temporarily to determine which is B1 or B2. Usually a pending code or hard code will set quickly. Also consider the info display from the skim instrument, the voltage should in most cases normal to .5V.
If everything else falls flat browse the services guide. Several on-line places give easy access to firing order and a lot more at Build-it-yourself pricing.
A Few 2004 Ford Explorer Firing Order 4.0 Available here