04 Ford Explorer 4.0 Firing Order – Wiring and Printable

04 Ford Explorer 4.0 Firing Order – It’s crucial that you know which bank (or cylinder head) is number one to help you establish a starting point for firing order or perhaps to replace the right aspect, as an Oxygen sensing unit, fuel injector or ignition coil.

Before all that was necessary to determine which lender or cylinder brain is number one was to determine which cylinder brain is situated the farthest frontward. One which is regarded as the forward (nearest to the top of the engine) is the main cylinder and this side is lender 1.

But many motors these days have cylinder heads which can be situated evenly, making it harder to determine which is financial institution number 1 and which can be financial institution second. A number of frequent factors we need to know this, as an example would be to establish Oxygen sensing unit to exchange when you are searching for B1 S1 (Financial institution One particular Detector 1), or maybe if you’re seeking to find an ignition coil to inspect for the P0301 (#1 cylinder misfire recorded) misfire code.

What you should attempt

A number of cylinder engines generally have the #1 cylinder closest to the top in the engine (only one banking institution).

V-6 or V-8 search for the plug that is certainly nearest to the front side of your engine, if the cylinder heads are even a different way of deciding #1 will probably be needed.

Don’t neglect the apparent, check into the spark connect cable alone for cylinder numbers.

Also look into the ignition coil for numbers.

In case you have a check out resource, try disconnecting an oxygen indicator temporarily to determine which is B1 or B2. Normally a pending code or hard code will set quickly. Also check out the details display screen of the scan instrument, the voltage ought to typically standard to .5V.

If everything else breaks down see the service manual. Several online places offer easy accessibility to firing order and a lot more at Do-it-yourself prices.