This is a quickly assembled video on what the 'coding' function actually does...
Hi guys! Matt Bailey here from the Baileys Diesel Group.
Coding: We've got a lot of questions about it and a lot of phone calls, a lot of people wondering of what it's all about, so here's a brief interview—or brief video, sorry—just to give you a quick indication as to what it's all about.
So, when we're talking about calibration it's just basically what Coding is all about. Calibration is the way in which we use to actually adjust the fuel pumps on a test bench or the fuel injectors—whatever they were—in order to ensure that each single two will have exactly the same horsepower.
Now, with these injectors, however, they're so sensitive, the tolerance is so small—I mean, we're already working in microns. But when we think about Denso in the way in which they're manufacturing these injectors, we're talking about the making of what? a million or so injectors every single year. Now for them to stop, test, adjust, test, adjust, test, adjust just to make them perfect is not a viable scenario.
So, what a Code actually does is basically rather than adjust all of these things so many times, what they actually do is get them to where they say, "They're OK," within a window that they're acceptable and rather than adjust the injector, we're going to tell the ACU what this injector is like and the ACU then did a [converse in force 01:16] and make sure the horsepower's all the same.
So, that a Code generally is. Now, with our injectors it's a little bit of a gray area because what we actually do is we work out a way to be able to adjust them so I have 70 cc of flow, they're not actually perfect but they're within about 1 cc window, whereas the original ones are sort of 70 cc per minute flow, but with a window of about 6 or 7 cc.
So, you typically find the wheels that try to batch groups for it to be the same, so typically you find that if you get a setup similar to one or two codes in the box and it's just designed to all the same injectors. But the reality is, is that in terms of your car, you don't know what you see but Codes are already in your ACUs. They are something that pretty much we recommend that you do get them Codes at the ACU, your car should be Coded because otherwise we don't know exactly what horsepower is in the cylinder.
That being said, we've had customers feed them, the vehicle runs perfect and they don't [02:10] or they will never come back here, at least to get them Coded. So, like we said, it's a bit of [02:15] and say approach, our approach to it is not exactly the same as Denso's, and sometimes it doesn't require—The reality is, is that we don't know what Codes are inside the ACU so, yeah, we recommend is quite a good thing that it gets done.