02 Ford Explorer 4.0 Firing Order – It’s vital that you know which lender (or cylinder Top) is number one to aid establish a place to start for firing order or perhaps to exchange the appropriate portion, as an Oxygen sensing unit, fuel injector or ignition coil.
In past times all that was needed to determine which financial institution or cylinder go is # 1 was to see which cylinder go is located the farthest ahead. The one which is considered the most forwards (closest to the top from the engine) is the number one cylinder and this aspect is financial institution one particular.
But many motors right now have cylinder heads that happen to be positioned equally, making it more difficult to determine which is lender # 1 and that is financial institution number 2. A couple of common motives we need to know this, for instance is to determine Oxygen sensor to change when you would like B1 S1 (Lender One particular Detector One), or if you’re trying to track down an ignition coil to inspect for any P0301 (#1 cylinder misfire saved) misfire code.
Items to consider
4 cylinder engines usually have the #1 cylinder nearest the top of your engine (just one banking institution).
V-6 or V-8 seek out the plug that is certainly nearest the leading from the engine, if the cylinder heads are even an alternate means of deciding #1 will likely be needed.
Don’t neglect the apparent, check into the spark plug cable on its own for cylinder numbers.
Also examine the ignition coil for figures.
In case you have a check resource, consider disconnecting an oxygen detector temporarily to find out which is B1 or B2. Normally a pending code or difficult code will set rather quickly. Also look at the info monitor of your check out instrument, the voltage should typically default to .5V.
If everything else breaks down see the service handbook. Many online options supply easy access to firing order and even more at DIY rates.
A Few 02 Ford Explorer 4.0 Firing Order Available here