How to clean a fuel injector with basic tools and supplies. I had a sticky injector in my V10 Impreza and didn’t want to replace it without seeing if it could clean it out first. This is a simple way to test an injector solenoid and clean out debris at home in your own garage.
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I'm gonna point out no one should hold the 9V leads on both terminals of injectors for more than 500ms Max. With Bosch Style Fuel Injectors called EV1 which is the most common injectors are low impedance and can't handle continuous flow of current. The internal solenoid called a "coil" by many is a iron rod with pure oxygen free copper wire wrapped around it. This makes what's called a electromagnetic solenoid. Small current at 5V goes through the "Coil" creating a magnetic field that pulls the spindle needle back from seal which allows the pressurized fuel to shoot through.
The ECU in the vast majority of injectors only commands the valve open for 2-20ms (1 second = 1000ms). To give you an idea of how long that is, the fastest a human can possibly tap a wire to the ground end of 2/3 pin injectors is 100-200ms which is literally 100x longer than the ECM/ECU/PCM commands it at top temp.
During extreme cold cranking events the ECM/PCM commands it for a longer 50-80ms in a clear flood mode. Still far from harmful.
The absolute max time you should ever hold 9V and especially 12VDC on the injectors is 500ms or 0.5 Second. Remember the fastest human tap is up to 200ms. Holding it for continuous flow is not a good idea.
It can heat up the coil so much it will either burn it out or shorten it's life greatly or cause it to fail soon after.
##You can get a Fuel Injector Tester Cleaning kit for under $26 and as low as $18 on Amazon.
https://a.co/d/0igOyyMj
So you know most EFI port injection Bosch Style injectors run at 12V, you can test with multimeter easily.
GDI though generally runs at 5V from ECM signal with ground control as switch to turn on and off the solenoid(Copper Magnetic Coil)
If you are working on GDI or Hybrid systems you need to have experience and protective equipment. Those run at 1000+ PSI because they are not in the port behind valves, they are inside combustion chambers and have to overcome the high temperatures, combustion gases and pressure m, so they can't atomize fuel at 40-60psi, they need to be at 600-1800psi.
It is better to use Brake Parts Cleaner than Carb cleaner. Carb and Choke cleaner has strong chemical solvents that quickly degrade plastics, rubber, and even Viton O-Rings (Viton is Ethenol resistant).
Do not take off spindle cap before spraying, you will blow out needle and ruin injectors. Keep old one on.
For Bosch Style injectors "EV1" there are rebuild kits with Viton O-Rings top and bottom, spacers, spindle caps, filter baskets all in one kit for $11
Good grief, slow down & stop wiggling the injector around!!
V10 ?!
Thank you it works
i like O `Reiliy. Especially Honolulu/Kailua
Do not use brake parts cleaner, the chemicals will foul your oxygen sensors
Super am încercat și chiar a funcționat, mulțumesc pentru Pont.
V10? Impreza😂🔥
The v10 part literally took away any useful tips from comments
2 Esdras 7:75
I answered and said, "If I have found favor in thy sight, O Lord, show this also to thy servant: whether after death, as soon as every one of us yields up his soul, we shall be kept in rest until those times come when thou wilt renew the creation, or whether we shall be tormented at once?" 76 He answered me and said, "I will show you that also, but do not be associated with those who have shown scorn, nor number yourself among those who are tormented. 77 For you have a treasure of works laid up with the Most High; but it will not be shown to you until the last times.
78 Now, concerning death, the teaching is: When the decisive decree has gone forth from the Most High that a man shall die, as the spirit leaves the body to return again to him who gave it, first of all it adores the glory of the Most High. 79 And if it is one of those who have shown scorn and have not kept the way of the Most High, and who have despised his law, and who have hated those who fear the Most High — 80 such spirits shall not enter into habitations, but shall immediately wander about in torments, ever grieving and sad, in seven ways.
81 The first way, because they have scorned the law of the Most High. 82 The second way, because they cannot now make a good repentance that they may live. 83 The third way, they shall see the reward laid up for those who have trusted the covenants of the Most High. 84 The fourth way, they shall consider the torment laid up for themselves in the last days. 85 The fifth way, they shall see how the habitations of the others are guarded by angels in profound quiet. 86 The sixth way, they shall see how some of them will pass over into torments. 87 The seventh way, which is worse than all the ways that have been mentioned, because they shall utterly waste away in confusion and be consumed with shame, and shall wither with fear at seeing the glory of the Most High before whom they sinned while they were alive, and before whom they are to be judged in the last times.
88 "Now this is the order of those who have kept the ways of the Most High, when they shall be separated from their mortal body. 89 During the time that they lived in it, they laboriously served the Most High, and withstood danger every hour, that they might keep the law of the Lawgiver perfectly. 90 Therefore this is the teaching concerning them: 91 First of all, they shall see with great joy the glory of him who receives them, for they shall have rest in seven orders.
92 The first order, because they have striven with great effort to overcome the evil thought which was formed with them, that it might not lead them astray from life into death. 93 The second order, because they see the perplexity in which the souls of the unrighteous wander, and the punishment that awaits them. 94 The third order, they see the witness which he who formed them bears concerning them, that while they were alive they kept the law which was given them in trust. 95 The fourth order, they understand the rest which they now enjoy, being gathered into their chambers and guarded by angels in profound quiet, and the glory which awaits them in the last days. 96 The fifth order, they rejoice that they have now escaped what is corruptible, and shall inherit what is to come;
and besides they see the straits and toil from which they have been delivered, and the spacious liberty which they are to receive and enjoy in immortality. 97 The sixth order, when it is shown to them how their face is to shine like the sun, and how they are to be made like the light of the stars, being incorruptible from then on. 98 The seventh order, which is greater than all that have been mentioned, because they shall rejoice with boldness, and shall be confident without confusion, and shall be glad without fear, for they hasten to behold the face of him whom they served in life and from whom they are to receive their reward when glorified.
99 This is the order of the souls of the righteous, as henceforth is announced; and the aforesaid are the ways of torment which those who would not give heed shall suffer hereafter." 100 I answered and said, "Will time therefore be given to the souls, after they have been separated from the bodies, to see what you have described to me?" 101 He said to me, "They shall have freedom for seven days, so that during these seven days they may see the things of which you have been told, and afterwards they shall be gathered in their habitations."
102 I answered and said, "If I have found favor in thy sight, show further to me, thy servant, whether on the day of judgment the righteous will be able to intercede for the unrighteous or to entreat the Most High for them, 103 fathers for sons or sons for parents, brothers for brothers, relatives for their kinsmen, or friends for those who are most dear." 104 He answered me and said, "Since you have found favor in my sight, I will show you this also. The day of judgment is decisive and displays to all the seal of truth. Just as now a father does not send his son, or a son his father, or a master his servant, or a friend his dearest friend, to be ill or sleep or eat or be healed in his stead, 105 so no one shall ever pray for another on that day, neither shall any one lay a burden on another; for then every one shall bear his own righteousness and unrighteousness." …..2 Esdras 7:75
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Would it be safer to tap the lead on the battery instead of tapping it on the fuel injector just in case the presence of spark? Granted you have a second person obviously.
Good tip BACKFLUSHING!!! This cleans the screen which wouldn’t otherwise come clean 👍🏻
This only works on old cars. Injectors from past 20 years are different. Atleast say that in the video so viewers know
The cleaner melted the electrical tape. Now what?
The WHAT from your Subaru Impreza?!
Worth trying out considering I just paid over $75 dollars for one fuel injector. Any one have any idea where I can buy the replacement gaskets for the used injectors?
Looks like a mid to late 1990’s dodge ram 8.0 liter v10 with an iron block
I tried those armor all wipes on my injectors and man my truck runs so much better
👍🔥💯
V10?!?!?!
how do u back flush?
Brake cleaner will melt black tape
Instead of using tape…wrap tube with sewing thread building a mound of it to desired diameter…won't get soft/mushy like the tape does. 👍
😂
Im sorry… i think i must be having a stroke… you said Imprezza and V10 in the same sentence? Damn…
It's not 60 seconds 😂😂you have to take em out first
My tire valve. Iss flyoing off
V10 Impreza that’s no boxer engine bruh I love boxer engines but wow a v10 what u got a r8 engine in there or what
You just put the fuel injector back in with brake cleaner inside ?
Dad
Injectors can't be shorted to power like this guy does. Will destroy the electric windings in the injector. Better to just add techron fuel injector cleaner to your gas. And you won't be screaming because you burned up your injector following a really dumb YouTube video.
Yeah this is a really bad idea. Dont take this fools advice
Why not just get a new one?
15:47
"Yeah for my V10 Impreza" weird flex but okay
Never ever use brake cleaner on fuel injectors the solvent in brake cleaner will destroy the servo
"For this demonstration im using an injector from the v10 in my subaru impreza" wait wtf?