2009 Ford Flex Cylinder Firing Order – It’s vital that you know which financial institution (or cylinder Top) is primary to help determine a starting place for firing order or perhaps to replace the appropriate part, as an Oxygen indicator, energy injector or ignition coil.
Before everything that was essential to determine which lender or cylinder go is primary was to see which cylinder mind is positioned the farthest forward. One that is regarded as the forward (closest to the leading of your engine) is the top cylinder and this area is bank one particular.
However, many engines today have cylinder heads that happen to be situated uniformly, making it tougher to find out which is bank number one and that is financial institution number two. A couple of frequent factors we have to know this, as an illustration is usually to establish Oxygen detector to exchange when you would like B1 S1 (Bank 1 Sensing unit One particular), or if you’re looking to locate an ignition coil to inspect for any P0301 (#1 cylinder misfire recorded) misfire code.
What you should attempt
Several cylinder motors generally have the #1 cylinder nearest to the front side of your engine (just one bank).
V-6 or V-8 search for the plug that may be closest to the top of the engine, in the event the cylinder heads are even an alternate method of figuring out #1 will probably be needed.
Don’t overlook the clear, review the spark connect cable by itself for cylinder amounts.
Also check the ignition coil for numbers.
When you have a scan instrument, attempt disconnecting an oxygen sensing unit in the short term to find out which is B1 or B2. Commonly a pending code or hard code will set quickly. Also check out the info screen of your check out tool, the voltage should in most cases standard to .5V.
If all else fails see the services manual. Several on-line sources provide comfortable access to firing order plus much more at Do it yourself pricing.
A Few 2009 Ford Flex Cylinder Firing Order Available here