1991 Ford Ranger 2.3 Firing Order – It’s important to know which bank (or cylinder head) is primary to assist determine a beginning point for firing order or just to change the proper aspect, just like an Oxygen sensor, gas injector or ignition coil.
Before all of that was needed to find out which financial institution or cylinder brain is number one was to see which cylinder go is located the farthest frontward. The one that is the most forwards (nearest the top of the engine) is the best cylinder and therefore side is lender 1.
But some engines these days have cylinder heads that happen to be situated evenly, making it tougher to determine which is financial institution number 1 and that is lender second. A number of typical motives we need to know this, for example is always to determine Oxygen sensor to switch when you are looking for B1 S1 (Lender One Detector 1), or maybe you’re looking to locate an ignition coil to examine for the P0301 (#1 cylinder misfire saved) misfire code.
What you should consider
Four cylinder engines generally have the #1 cylinder nearest the front side in the engine (only one banking institution).
V-6 or V-8 search for the connect that may be nearest to the leading in the engine, when the cylinder heads are even an alternate strategy for figuring out #1 will be needed.
Don’t neglect the apparent, check into the spark plug wire itself for cylinder numbers.
Also check the ignition coil for phone numbers.
If you have a skim instrument, consider disconnecting an oxygen sensor briefly to determine which is B1 or B2. Commonly a pending code or tough code sets quickly. Also check out the information screen from the scan tool, the voltage must typically standard to .5V.
If everything else breaks down read the service handbook. Many on-line places supply quick access to firing order and even more at DIY rates.
A Few 1991 Ford Ranger 2.3 Firing Order Available here