How a Common Rail Diesel Injector Works and Common Failure Points - Engineered Diesel

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Engineered Diesel

Engineered Diesel

10 жыл бұрын

We, at Engineered Diesel, created this video to help our customers have a better understanding of how a common rail diesel injector works, which makes it easier to understand why they fail. This video also points out common failure points within the injectors. If you are experiencing ANY of these symptoms, you may need new injectors.
Contact us at 616-892-8204 or visit us online at Engineered-diesel.com
We deal primarily with Pickup Truck engines for Cummins, Duramax, and Powerstroke.

Пікірлер: 115
@davefd9594
@davefd9594 9 жыл бұрын
Nice simple and effective Well done m8 very usefull info
@syedmaqureshi5590
@syedmaqureshi5590 6 жыл бұрын
Indeed lovely video cleared my concept about inj. fuel thANKS APPRICIATED
@user-ov4iw5ph9l
@user-ov4iw5ph9l 4 жыл бұрын
You are professional It is fantastic and clear.
@magna59
@magna59 8 жыл бұрын
Thank you for putting this up . Start to understand why they are so expensive , good materials required to cope with high pressure & heat + tight tolerances .............. makes you want to go back to carbs !
@TheScootercrew98
@TheScootercrew98 8 жыл бұрын
+magna59 carbs where never used in diesel
@sameuljones5496
@sameuljones5496 8 жыл бұрын
carbs? shame
@hipstarchild
@hipstarchild 4 жыл бұрын
Great video on this subject
@brunoscarpatt2923
@brunoscarpatt2923 8 жыл бұрын
Muito util e bem esplicado quero fazer cursos com vcs e adquirir o raster da raven como faco
@sekainiheiwa3650
@sekainiheiwa3650 7 жыл бұрын
Wonder how about Delphi CR injectors works, how this control valve works. Interesting
@xdygmnyrdf
@xdygmnyrdf 7 жыл бұрын
really good video, thanks
@jackiebx1
@jackiebx1 Жыл бұрын
Thanks for your help!
@PerWiklund234
@PerWiklund234 6 ай бұрын
Very nice. I was looking for the reason for having leak off lines on common rail injectors. Now I know.
@rufustoot
@rufustoot 8 жыл бұрын
good explanation and diagram,
@detscadosu2465
@detscadosu2465 8 жыл бұрын
Thanks!
@pauloricardolethal
@pauloricardolethal 7 жыл бұрын
I appreciate you boy!
@firoznanji1771
@firoznanji1771 4 жыл бұрын
Very Very Nice Video, I loved it. Now I understand the Injectors better. I have a 2007 Nissan Qashqai 1,5dci K9K engine that won't start. I am here in Mozambique/Africa. Luckily I have some experience on injectors, and I do have a Ultrasonic Cleaner. I did dismantle them all and cleaned them . Did a test on the Car, they blow diesel fantastic.. Unfortunately the car still doesn't start. I will do a Leak test tomorrow, and update. Are there any special tools available to open solenoid part , and get to clean the small inlet nozzle ?
@DanielLunsford-mk5ic
@DanielLunsford-mk5ic Жыл бұрын
Very educational video there should be more videos like this one 😅
@dljrocket4939
@dljrocket4939 7 ай бұрын
Excellent Vid.
@user-nx6fn9sp2p
@user-nx6fn9sp2p 3 жыл бұрын
Hello from Moscow (Russia)! Very good video!
@Arturrr31
@Arturrr31 11 ай бұрын
Thanks, I understand basic rules how it works now.
@Nyck461
@Nyck461 7 жыл бұрын
Nice video. It would be much better with narration by some expert in Diesel
@randylee2549
@randylee2549 6 жыл бұрын
If one has ball seat erosion, is that a rebuild able condition ?
@milxl
@milxl 3 жыл бұрын
does the pressure comes from the entry when the pintel slides left? or is it reserved in the right section at the tip ? it's not clear
@hgm482
@hgm482 8 жыл бұрын
Все предельно понятно. Супер ролик. Спасибо.
@simonjohnhinton1938
@simonjohnhinton1938 9 жыл бұрын
Low sulphur diesel can be blamed for a lot of injector pump failures since the sulphur content acts as a lubricant. The mk3 mondeo tdci has this problem. When the pump wears it releases tiny metal particles into the fuel system. There were a number of cases of an injector being held open flooding the cylinder causing a bent con rod. Modern diesels are great when they're running right but can be an expensive pain in the arse when they go wrong.
@pecata01
@pecata01 8 жыл бұрын
I think two stroke oil in low proportions can fix this problem with the lubrication. I read on forums and most guys that tried either got improvements or got nothing. I never saw anybody complaining from the two stroke oil. Some even said that their engines stopped smoking at high loads and rpms and became quieter .
@ashantibadi1534
@ashantibadi1534 7 жыл бұрын
Hi Sir. May I ask what would be the safe amount of sulfur content in a diesel to refrain from failures? Thank you
@williammorgan5096
@williammorgan5096 7 жыл бұрын
At CN we use a ultra high sulfur diesel fuel so this is not much of a problem. Our GE es44ac still has issues though.
@chikeanozie8119
@chikeanozie8119 6 жыл бұрын
Wouldn't high sulphur increase also increase corrosion tendency of the medium.
@dieseldoc25
@dieseldoc25 6 жыл бұрын
It's not the sulfur, it's everything else that's refined out with it
@andirahmawan4345
@andirahmawan4345 7 жыл бұрын
perfect
@andyjohnson7817
@andyjohnson7817 3 жыл бұрын
Good vid.
@steliossykiotis386
@steliossykiotis386 17 күн бұрын
Thank you. The worst are the cheap Piezoelectric injectors for Euro 6 diesel.They started failing at 20K km. Change them to the best quality injectors you can find.
@maina2537
@maina2537 3 жыл бұрын
👍Nice and simple
@wanchaikanan2565
@wanchaikanan2565 9 жыл бұрын
ขอบคุณที่ได้แชร์การทำงาน
@ravabat5841
@ravabat5841 7 жыл бұрын
Thanks
@stewzebra2935
@stewzebra2935 8 жыл бұрын
best I have seen
@viktoreliasson1667
@viktoreliasson1667 6 жыл бұрын
stew zebra
@cesarjorgemurillobarientos1813
@cesarjorgemurillobarientos1813 2 жыл бұрын
nice
@k.balakrishnan3638
@k.balakrishnan3638 6 жыл бұрын
Good
@Engineered-diesel
@Engineered-diesel 10 жыл бұрын
#howitworks #diesel #injector #cummins #commonrail
@pablito0603
@pablito0603 9 жыл бұрын
what kind of resistance can I expect on injector poles? Can I check that way the corect functioning of solenoids? tnx a lot!
@Gurnavemerno
@Gurnavemerno 8 жыл бұрын
+pablito0603 1.6 Mega Ohm for truck Injectors that I have experience with but different applications and manufacturers will have different Stator designs so will vary. Also need to check that there is no continuity with the Injector body as the Stator coil can also short against its housing.
@josepeixoto3384
@josepeixoto3384 6 жыл бұрын
NO!!! this is not a piezo; the resistance on these is around 0.2 ohms(0.2).
@slec-wz1db
@slec-wz1db 10 ай бұрын
0.5 ohm on denso injectors
@user-fn6jd8jt2h
@user-fn6jd8jt2h 4 жыл бұрын
Nice video. Would someone explain to me, what is the effect on the engine from the last failure - permanently open valve of the injector ? Thanks.
@abbasmuhsen2715
@abbasmuhsen2715 3 жыл бұрын
I think increases fuel consumption Black smoke Rich mixture Failure emission test Excuse me if my answer is not Wright
@viniciuslima4556
@viniciuslima4556 Жыл бұрын
If the valve is leaking, the injector will be constantly open due to the pressure difference between the lower part of the needle and the upper part (piston). That would mean you would not only be wasting the fuel but would also be highly increasing the amount of diesel that is not completely burst, which would then be burst in the exhaust system leading to that black smoke coming out of it.
@slec-wz1db
@slec-wz1db 10 ай бұрын
fuel knock, very loud knocking
@crazyflod
@crazyflod 4 жыл бұрын
Could a high pressure in common rail fault be caused by the high pressure pump not shutting off?
@lockie9341
@lockie9341 2 жыл бұрын
usually caused by a faulty suction control valve allowing too much fuel to flow through the pump (the pump is constantly driven by the engine, pressure is regulated by flow control)
@slec-wz1db
@slec-wz1db 10 ай бұрын
bad scv or bad relief valve
@wazza33racer
@wazza33racer 9 жыл бұрын
the weakness in common rail is the pump that has maintain high pressure in the rail. Proper diesel injectors are driven by a large full size camshaft and are very robust.
@xdygmnyrdf
@xdygmnyrdf 5 жыл бұрын
the injectors are driven by only 2 wires, no camshafts. this isnt pumpe duse system
@slec-wz1db
@slec-wz1db 10 ай бұрын
most common failure is the suction control valve, not the injection pump itself.
@wazza33racer
@wazza33racer 10 ай бұрын
@@slec-wz1db lets not forget rust........its a common problem that the dissolved moisture in diesel fuel causes rust to form in the metallic components, and common rail pumps dont like rust at all. There are large, high efficiency filters that can scrub out dissolved moisture, but the OEM filters fall far short of that.
@slec-wz1db
@slec-wz1db 10 ай бұрын
the internals of the injection pump, fuel lines, leak off lines and injectors on denso common rail are made of high grade stainless steels. I have not cut open a fuel rail itself but I have seen a fuel rail relief valve and it also made of stainless steel. I would presume that the fuel rail is also made of very robust material as it has to withstand fuel pressures over 4000 psi.
@savitarr1162
@savitarr1162 7 жыл бұрын
is this piezo injection? or elektric magnetic?
@xdygmnyrdf
@xdygmnyrdf 5 жыл бұрын
electromagnetic. the magnet is drawn here, with 2 wires.
@alidycepaisley3829
@alidycepaisley3829 9 ай бұрын
So it looks as though such a nozzle could spray continually - like the fuel injector in a gas turbine - so long as the fuel rail was maintained at a suitable pressure and a constant current was applied to the injector. I wonder how wide the range of pressures is for which it would atomize the fuel.
@gopalakrishnadoddi4869
@gopalakrishnadoddi4869 2 жыл бұрын
nice video what is the voltage of solenoid please inform me
@slec-wz1db
@slec-wz1db 10 ай бұрын
70 volts dc on denso injectors
@PartMiniBus
@PartMiniBus 4 жыл бұрын
Will injector cleaner solve Nozzle Erosion Seapage?
@slec-wz1db
@slec-wz1db 10 ай бұрын
no, needs to be replaced
@Engineered-diesel
@Engineered-diesel 10 жыл бұрын
Click here to view our Cummins Pickup Truck Injectors for the 5.9L & 6.7L engines! We Carry NEW BOSCH Injectors! www.engineered-diesel.com/cummins-injector-list/ Or Click here to view our Site! www.engineered-diesel.com/
@rustylugnut755
@rustylugnut755 6 жыл бұрын
How many volts is necessary to the solenoid to fire the injector?
@tonyreyes9969
@tonyreyes9969 3 жыл бұрын
Good question.
@rosegold-beats
@rosegold-beats 3 жыл бұрын
I bet 12
@slec-wz1db
@slec-wz1db 10 ай бұрын
70 volts dc on denso injectors
@eastwoodmakungu9819
@eastwoodmakungu9819 8 жыл бұрын
If the vehicle overheated can the injectors get affected?
@slec-wz1db
@slec-wz1db 10 ай бұрын
ecu will cut off engine if overheating
@AdventuresRC
@AdventuresRC 6 жыл бұрын
👍👍👍👍👍
@dersehwale4613
@dersehwale4613 6 жыл бұрын
how to speed control of ejection stroke ?
@youngfischer6380
@youngfischer6380 7 жыл бұрын
Hallo KIT Studierende!
@titoaina8241
@titoaina8241 6 жыл бұрын
Am working on a 2206A Perkins 2200 Series, I worked on the Nozzle after two days, it’s stop working again I hard to dismantle the nozzles and service again, it’s currently working now but I would like to know the solution because am suspecting the Engine oil is not Good and what’s the best engine oil meant for the engine. Thank You
@mkurangacnajemasabatochane4626
@mkurangacnajemasabatochane4626 7 жыл бұрын
4m50 exletion slower problems
@farzulali7021
@farzulali7021 10 жыл бұрын
Hello help me out here - i have a FORD RANGER RHD 2.2l diesel (2012) 15000km and from a 0km take off a plum of black and during a kick down sometimes a trail of black is scene. this is not normal as my friends pick up dont do this, what could be the cause?
@xdygmnyrdf
@xdygmnyrdf 5 жыл бұрын
get a gasoline car
@BigCroca
@BigCroca 5 жыл бұрын
The main reason for black smoke from a Diesel engine is having a fuel mix that is to rich. If you can try modifying the air fuel mixture too have more air.
@CheekiScrubb
@CheekiScrubb 5 жыл бұрын
a bit late but if it puffs black smoke then i think its too rich of a mix probably a seapage on the nozzles causing excess fuel leaking into the combustion chamber or a misfire on the solenoids either way you should get the injectors checked out its probably because you were running diesel fuel with too low of a sulfur content not providing enough lubrication on the injectors hope you can get it fixed
@slec-wz1db
@slec-wz1db 10 ай бұрын
bad injectors, bad turbo dirty intake
@jamesbarratt593
@jamesbarratt593 3 жыл бұрын
Sure injector leaking cant cause blueish smoke as the blueish comes from oil. So like valve stem seals in head or worn rings.
@shawnp8429
@shawnp8429 2 жыл бұрын
Nice..a vid I have to read
@sifarcher
@sifarcher 3 жыл бұрын
Add music from Ironmaiden and your vid will be 100% improved!! :-)
@bigscreenablog9392
@bigscreenablog9392 2 жыл бұрын
still the best the conventional fuel injector with no solenoid.
@tushermyth
@tushermyth 8 жыл бұрын
plunger is a magnet ??
@TheScootercrew98
@TheScootercrew98 8 жыл бұрын
+Tushar Girotra no,the pressure builds up and forces it open, then the pressure of the spring closes it
@archanadas9910
@archanadas9910 6 жыл бұрын
no. the plunger is actuated by hydraulic and spring forces
@johnlever6696
@johnlever6696 2 жыл бұрын
So I wonder what is causing my low fuel rail pressure then.
@slec-wz1db
@slec-wz1db 10 ай бұрын
replace the fuel filter first.
@jamesbarratt593
@jamesbarratt593 3 жыл бұрын
One question no one seems to know the answer to. And a firm in Brighton called auto diesel marine a Bosch agent repairing injectors and repairing engines had no idea. How terrible they did not know the exact point in a Diesel engine when the injector fires. I’m after thinking about it, believe that it is either just after piston has reached top dead centre so as the explosion goes off it fires downwards. Or as piston rising from air intake stroke. As it’s pressurised in the rail, and if it was to be injected into the compressing air, I would think maybe when piston is 75 percent up and air not too hot yet to make Diesel go bang. My first answer I believe more though. Do you know?
@jaxng97
@jaxng97 2 жыл бұрын
I tear down diesel injectors for work and I never knew how they worked I just knew all the little parts lol
@joemcmonagle5498
@joemcmonagle5498 7 жыл бұрын
I have a Peugeot 308 1.6 HDi diesel automatic with electronic gearbox. I put it into the local Peugeot dealer for a diagnostic test as the 1st and 2nd gears were a bit "lumpy". The test revealed a fault on Injector #1. They said that this could POSSIBLY be the problem withe gear change "lumpiness"!!! They said to RENEW this injector would cost me £844.21p!!!!! (where did the 21p come from)? When I asked if the fault was with the injector or the electric 12V timing solenoid they just said the fault was with the injector and could not tell me if there was a timing problem. When the car is out of gear and idling there does not appear to be any problem with the engine, everything running quietly/smoothly, no misfire even when increasing revs, all sounds good. This does not seem to me that the injector is a problem or the timing. Makes me wonder if the ECU computer needs resetting. Has anyone got any ideas?
@syedmaqureshi5590
@syedmaqureshi5590 6 жыл бұрын
got same issue except gear bought injector from ebay for 40 and fix renault scenic 1.5tdi lumpy power
@Jean-vz8co
@Jean-vz8co 6 жыл бұрын
Only you must to by an other car out of Peugeot!!!!... of course.... I now, im french!!!!.......good by...
@abhishekgourav6144
@abhishekgourav6144 3 жыл бұрын
Dead silent video...made me check my phone's speakers...
@teshomekebede1592
@teshomekebede1592 7 жыл бұрын
it common rail mrchanical faniction
@ananthraj8818
@ananthraj8818 6 жыл бұрын
Then how it is sprayed at smaller particle size ?
@danieleliaskhodirbrinch1009
@danieleliaskhodirbrinch1009 6 жыл бұрын
Higher pressure :) The higher the pressure, the better the atomization.
@jaibhagwantyagi7691
@jaibhagwantyagi7691 6 жыл бұрын
I want to know about ECM celebration thank u
@luizmessias9316
@luizmessias9316 3 жыл бұрын
Comentarios
@naveedalidentwork3977
@naveedalidentwork3977 4 жыл бұрын
I can gase bike to diesel
@MrKosovariii1
@MrKosovariii1 8 жыл бұрын
changed 6 injectors, 3'500 swiss francs after a BAD QUALITY DIESEL i've put on my Jeep Grand cherokee 3.0 2012 fuck
@user-jg8zc1pk9v
@user-jg8zc1pk9v 2 жыл бұрын
หัวอินเจ้กชั่นที่มีใช้เฉพาะในประเทศไทยน่ะ
@moeinkasraei2114
@moeinkasraei2114 3 жыл бұрын
تنها میتوان برای حیواناتی چون تو متاسف بود . خردگرایی دیگر تکنو لوژی نیست مصادره شود. بدون راه رفته ،خط پایان قابل تصور نیست
@KRAUSER0130
@KRAUSER0130 9 жыл бұрын
This is very bad and boring explanation of how common rail injection works..Oh and it's missing A LOT OF DETAILS and the main component thats actually named "common rail"
@stevewaclo167
@stevewaclo167 7 жыл бұрын
One detail I don't understand is why does an injector (i.e.: LB7) exhibit a certain amount of return fuel flow, even when the injector is closed. This drawing does not show a path for return flow under that condition. One of the items overlooked (like the ball?) 😄.
@rajaasuatmustopa9637
@rajaasuatmustopa9637 7 жыл бұрын
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