Diesel Fuel Systems 101 part 2. Common Rail, EUI and HEUI.

Ok, what cats use common rail fuel system ?

I bet you drove your school teachers nuts asking questions they couldn’t answer Lol !

thanks, learned more from you than any of my college profs

You're answering questions I never knew I had, thanks 💯

A lot of good information.

Great video. Very informative Adept Ape.

Thank you for making this video.

Thanks for another great episode, as has been mentioned, common rail isn’t new or modern it’s the ecm that makes it so good today. I think the first production common rail fuel system was way back in 1916 on British Navy Vickers submarines. It was dropped because most other manufacturers were using ‘air blast’ injection even though ‘solid injection’ was being developed worldwide.

What a great man you are! Thank you for sharing your knowledge.

I really need some way to get in touch with you! An email or something!

so what is heating the coils mean? don't you have to turn on the ignition before you turn it over?

Taking my T2 exam in two days thanks for this series

Thank you!!!

Common rail system in what cat motor. What is the difference between 3406 A from 3406 B and 3406 C🎃ty

Another good thing about the HEUI fuel systems is if you lose all your engine oil then all that will happen is the engine will stop running and that is a good thing

Nice video,,, very easy to beginner understand!!!

Thanks Josh. I have 2 C7 engines and I am putting one in my boat. I have watched all your videos on them now. Only thing I wish about the C7 is that it was a sleeved engine.

Same Volvo engines use this MEUI…

Loved this series 👍

Man this guy is good!!!

Awesome Video as always brother... Looking forward to every new video you put out as it helps to always brush up on these topics even though we work with these systems/circuits daily. Have an awesome week! Peace out ✌

Here (Brasil) we use tha Bar like a pressure measure unit. I started my study's in havy duty mechanic (how is called here) thank's for all! ❤

I love learning more about all these systems; thank you for making videos like this that explain them in detail.

We changed the oil on a 2013 International bus with a Maxforce DT466E. After the oil change, the engine would crank but not fire. After quite a bit of cranking, it came to life, haltingly at first, then evening out. It seems to run fine now, although in my opinion it seems to run rough when cold; could this be caused somehow by the oil since it has a HEUI system? Would overfilling the oil (by 1-2 quarts) cause problems at all?

Nice 💪🏻

i love HEUI fuel systems, basically idiot proof, oil gets way to thin, wont build any pressure won't start, have a bad leak low on engine oil, wont start. stops you from turning a rebuildable core or a savable engine into a hunk of cast iron that only the chinese could use for something. all these other Fuel systems out there, are in my opinion outclassed by HEUI, in terms of being idiot proof, and all these other systems generally are way over complicated. take a 6.0 powerstroke, you only need cam and crank sensor and the IPR valve working and no high pressure oil leaks and itll run given injectors and fuel supply is fine. take any newer common rail system generally you got multi check valves, sensors, a very sensitive pump thats going through Thousands of gallons of New fluid every week and said Fluid is fuel, and provides almost no lubricity, vs HEUI pumps even the bad ones, have a better chance at lasting alot longer than even the best common rail injection pumps, a HEUI pump doesn't care about what fuel is in it. as no fuel goes through it. its a sealed system as long as you got good oil, preferabbly fresh oil in it, it will outlive most anything.

Left out the biggest con on heui and probably why it's not used today, improper oil care leading to problems with the heui system.

Thank You Good Tech INFO. 7.3.. 1999 F350 From New = Keep oil Clean LOL ALL Banks Get UP & GO & Gear Vendor Over Drive, Air Ride Too

Can't you put a high pressure oil filter between the heui pump and head to protect the injectors and fuel rail

Give you A+ for definition, your art work needs schooling. Not realism more into abstract to surrealism.

It's interesting that the most modern diesel fuel system is the common rail version, which is described at length in a 1948 vintage textbook I have on internal combustion engines. It suggests common rail fuel systems will be useful only for very large diesels, such as those on ships and railroad engines. Of course, there was no ECM back then...

HPCR injectors have the return line because they need it to fire the injectors. Losing heat is just an added benefit.

Love your knowledge mate, I work in the mines in Australia and also at a cat dealership, you would be a great in-house trainer( I’m sure your probably already training other techs), your company is lucky to have you, keep up the great work 🔧⚙️🧰

Love your knowledge mate, I work in the mines in Australia and also at a cat dealership, you would be a great in-house trainer( I’m sure your probably already training other techs), your company is lucky to have you, keep up the great work 🔧⚙️🧰

I have isuzu trooper (4jx1 engine) with HEUI system , not much reliable system , expensive to repair , few mechanics know to work on it.

I love the heui systems much cheaper to fix. CR wear out fast as is the case with high psi.

What system does a 3176 from the early 90's run? I'm guessing MEUI?

One critical thing on HUEI engines is oil quality. Something such as a dead cylinder dumping soot into the oil will wipe out the tolerances in the high pressure oil side of the injectors pretty quick.

Awesome long video. Thank you sir. Live them, the longer the better as your content is fabulous!!!

Terrific video Josh. Thank you for making it, TMP from N.J.

Good job. Nice dogs

I'm all for mechanical simplicity but common rail diesels, the pre-emissions ones are where it's at!
Pure mechanical injection just really can't compete with common rail!

All the other injection designs were simply a stopgap until common rail was commercially available and reliable, similar to GM's TBI which was kind of a middle ground between a mechanical carburetor and a full fuel injection system, it was a stopgap and it did its job decently well enough.

loved the video josh! always love to learn something new around regarding heavy equipnent! also i do have to add a little note to the common rail injectors and that its mostly more complicated on heavy duty as they will usually sit inside the valve cover requiring quill tubes, medium duty and lower will more freqently have it exposed in a valley on the valve cover making it much easier put your greasy mittens on them xD

The navistar powerstroke 7.3l has a brass injector cup that separates the fuel section of the injector from the coolant passage in the head. I presume the purpose is to help cool the injector. Well those cups can crack and leak fuel into the coolant system. So if you ever open the coolant reservoir on an older powerstroke and smell diesel or more frequently see a truck with a coolant system full of diesel, then it needs cups and also very likely needs all new coolant hoses. Might also need a coolant pump if the seals are shot from the diesel.

Professor APE in the house!

The word simplicity is no longer permitted to be used, in the Diesel industry. Now tell the diesel dummies they have to be smarter, to work on newer engines. Parts changers.

Thank you for the great information

Thanks for sharing your knowledge Josh always interesting 🦘👍