2004 Ford Explorer 4.0 Firing Order

2004 Ford Explorer 4.0 Firing Order – It’s crucial that you know which bank (or cylinder Top) is number 1 to help determine a beginning point for firing order or simply to exchange the proper component, as an Oxygen sensing unit, gasoline injector or ignition coil.

Before all that was required to determine which lender or cylinder mind is primary was to see which cylinder mind is situated the farthest ahead. The one that is regarded as the frontward (nearest the front side of your engine) is the main cylinder and that part is bank one particular.

But many motors these days have cylinder heads which can be placed evenly, making it more challenging to find out which is lender primary and which is lender second. Several frequent good reasons we must know this, for instance would be to figure out Oxygen detector to replace when you are looking for B1 S1 (Banking institution A single Indicator One particular), or maybe if you’re seeking to identify an ignition coil to inspect for any P0301 (#1 cylinder misfire documented) misfire code.

Things to attempt

A number of cylinder motors usually have the #1 cylinder nearest to the leading of your engine (just one single bank).

V-6 or V-8 seek out the connect that may be closest to the front side of your engine, in case the cylinder heads are even another strategy for deciding #1 will likely be necessary.

Don’t overlook the evident, check on the spark connect wire alone for cylinder amounts.

Also check the ignition coil for amounts.

For those who have a scan device, try out disconnecting an oxygen detector briefly to determine which is B1 or B2. Often a pending code or hard code will set rather quickly. Also look at the data monitor in the skim tool, the voltage must in most cases standard to .5V.

If everything else falls flat look at the support manual. Several online resources provide easy accessibility to firing order and a lot more at Do it yourself pricing.