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- เผยแพร่เมื่อ 9 ม.ค. 2020
- Here I show an easy way to clean fuel injectors.
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Great method! Definitely better than paying big dollars for some test equipment i have viewed - thanks again
The single best youtube video on this subject matter, a thousand thanks !
I like your set up, Dale, especially with the 9v battery. Much safer than using a car battery. One thing I did was use a large gatorade bottle to capture the stream of cleaner. I cut an X in the cap just big enough to fit the end of the injector and to allow pressure to escape from the spray. The gatorade bottle was sturdy and transparent for monitoring the spray pattern.
That's a great idea! Thanks
Smart work indeed
Did you notice any crud that got disolved
THIS IS THE BEST ONE IVE SEEN YET!!!!
Thanks. Saved me $295 for fuel injector service. Now I can do it myself.
A great simple demo. Thanks for this.
Very good. Thanks for listing parts. I wondered what the wires were. Working on my motorcycle. Your setup is best one I’ve seen.
Can't wait to do this! Thanks.
Finally, a useful injector cleaning video. All the other ones I watched are people filming with 1 hand in their shop that has one 5 watt light bulb.
I can definitely do this to my rolla. Thanks for the vid!
Good setup for getting the cleaner to the injector, but if you used TWO HOSE CLAMPS then you could use one hand on the cleaner trigger and the other hand to touch the battery intermittently.
Lost power in my WJ and the shop said they are pretty sure I blew an intake valve, I've been watching your videos on disassembling and cleaning all the parts down to the head removal. They have been crazy helpful, thank you! Gonna be cleaning the injectors today.
Awesome! Glad my videos helped!
This is an excellent homemade tool for fuel injector cleaning!
Awesome ... well done! I sure wish I would have found your site before I replaced my all 6 injectors. I had shopped around for pricing to have them cleaned but they wanted almost as much as it cost to buy them new! Good news is that I didn’t throw the old ones away. One day when I’m bored I will definitely put your technique into action ! THANKS!
Thank you! Glad you found my channel. Maybe it'll help in the future..
Again a great and helpful video. Thank you.
Love what you people show
I really like your method of connecting the can to the injector. In another video they mentioned that you might cook the solenoid in the injector if you have a constant connection. So I might not do everything the same way you did, but the connection was the best I have seen so far.............. Thanks for posting!!!
Right you're supposed to tap on it.
I just tried this on mine and my injectors got hot really fast so definitrely do not have constant power. Just tap on them.
Rubber cork great idea, thanks !
That was an excellent tip, thank you
You can hook up a push button switch between the battery & injector to cycle / pulsate the injector to see what the spray pattern looks like, also makes it alot easier than trying to hold the wires & spray the cleaner at the same time✌
Awesome job my man
I was going to buy new ones but I will try this to clean them, Thank you!
That was very impressive!!
Thank you !!! Great tip . That’s awesome .
Nice simple set up dude cheers for your help, if ya got any other tips to clean others sensors or solenoids chuck em up would be much appreciated 🤙🏻
I wouldn't leave the 9 volt hooked up to the injector, you want to pulse clean it by touching the battery terminal for short periods of time. You need another hose clamp on rubber tubing holding injector on so it does not fly off. Also back flush the injector too.
I don't think id backflush, just to avoid contamination in that direction.
Yeah. Didn't seem to be an issue and I've watched them flow test injectors by running current for longer than I did. I left other end without clamp so i could easily swap out injectors.
@@JeepSolid was that nearly solid flow pattern similar to a new injector? Of course higher pressure would render more atomization. Still, that injector sure seemed to flow a lot at that low pressure.
4x4Scout, That's is part of the cleaning process in cleaning fuel injectors, back flushing. If you don't take the baskets out " SCREEN FILTER " back flushing will get the junk out of the basket. Or you could buy new baskets, check OHMS, spray pattern, pintle caps, flow rate, pulse operation, ect....
JeepSolid, When flow testing the off on cycle "PULSE " of the injector is so fast it seems like it's a continuous spray but it pulses really fast. That injector you were cleaning sprayed like a garden hose, should be more atomization even for a 2 hole injector.
Thanks for the tip
Great video. Thanks
Awesome!
Great tip.
Good job,
Thanks from algeria
All you guys make everything look so easy. I tried it, ahhhh may be my fuel injector is a little different. So I’ll keep trying!!
Lmfao,RIIGGGHHHHHHTTTTTT
buy ultrasonic and put in lets 3minute there we go that the easier one*
thanks man ...it help a lot you know ...im gonna do it my own ...
Cool video you just saved me a shit load of money I was going to get one of those injection cleaning kits and buy the solvent which is 21 bucks for 16 ounces plus the kit the rubber stopper is a very good idea I have an adjustable power supply I can use on the injector thanks
Hell yeah! Ima go look gor some Mustang GT injectors to put on my 05 Crown Vict P71 now!
Awesome thanks I was wondering how to get cleaner through the injectors
Thank you for sharing your cleaning tube setup. Mercury injectors are $250 each. DIY cleaning is my 1st step!
Good job I like it
That was awesome! Thanks for posting ! & the comments on this video were helpful too! OlllllllO❤
Like your energy
Nice video
Thanks great job
Delicious !thank you
Thank you sir
Awesome 😜 pretty simple
Good deal, thanks 👍
Nice!
Thank you!
I actually bought the proper cleaning kit that comes with the leads and plugs and also 2 plastic tubes with different size holes where you insert the feed end of the injector. Cheap to buy now and lots have been sold! It is cheaper than buying new and obviously works faster than additives. I used good old fashioned carb cleaner. I've watched all the black crap and soot disappear off those old weber carbs!
Thanks
I just tried a 9V battery with my chevy venture fuel injectors but it didn't have enough power to open the injectors. I have a collection of power adapters so I used a 12V 2.5A adapter and it worked.
The stopper being slightly smaller than the inside diameter of the hose is a good thing. But put the injector in the pipe first and secure it and push the stopper in until it hits the injector. Should give you more cleaning force, as there's no gap between the two. Also, spray the cleaner into a jar or container so you can reuse it, either putting a part into the container or pour the cleaner onto a part.
Reuse dirty spray cleaner no way unless it been filter.
@@rcrotorfreak having cleaner in a jar is good to soak pieces in to dissolve heavy buildup. Then spray to finish cleaning. It works until the used spray gets too dirty. Then collect it again. I never had a problem doing that.
Whether the stopper and straw tip touches the fuel injector or not makes no difference and doesn't provide "more cleaning force." Liquids are non-compressible. When you apply a force to a liquid in a container, it transmits the force instantly and fully all around. You could use a 3 foot length of hose, and it would make no difference once the hose was filled with the solvent and the pressure in the can was equalized with the hose. The pressurized gas in the end of the hose and in the can apply the force to the liquid to force it out of the injector when it's opened up. Arguably, if you had a 3 foot section of hose hanging vertically with the injector as the bottom and the can up top, THAT WOULD give you more "cleaning force" because the physical weight of the 3 foot column of liquid pushing down on the injector via gravity would add to the pressure supplies by the propellant gas in the can!!! 😸 Additionally still, if you were filling the hose for the first time, you could pinch off the hose halfway with a clamp, fill the upper half of the hose with liquid, then switch the injector open and keep the valve of the can open as you release the clamp. The pressurized liquid would start entering the hose at high velocity to propel the whole 1.5 foot long column of solvent liquid toward the injector, accelerated even further by gravity at 9.8 m/s², and the impact of the non-compressible liquid hitting any stubborn deposits in the pintle would dislodge them much better than liquid that's just being sprayed 2mms out if the can alone.
See? 😸 Physics. It's a cool thing. 😎
@@mannys9130 less area where pressure is applied equals more force. That's physics 101. Liquid is under pressure when it is in a container with added pressure. That's physics 102.
Thanks!
Good job showing telling, now I’ll do my injectors I no how now thanks to you well see you next time see ya bye.
Awesome tip! Where do I find a stopper of some sort? What was yours from?
Bro good stuff just saved me 900$
You're a genius
You could get a glass jar and catch that cleaner and reuse it for some other parts, just a thought...
Dude! Washington State eliminated emissions permanently. My friend took off all that smog shit and now his inline six runs cooler and cleaner and the performance is awesome. 😆
Yeah. Can't do that here
A fuel injector isn't 'smog shit'. The performance of injectors surpasses throttle body or carbureted engines any day. Just say'n, unless you were referring to something else.
Just taking stuff off your engine without knowing what you're doing is a bad idea. The computer assumes certain conditions, and if you mess with that it can confuse the computer.
good video, dude ! Say, isn't the fuel injector for the 4.0 piezo based ? For solenoid/electromechanical injector type you should have a separate side inlet for the fuel and the magnetic/solenoid on top of the injector - your thoughts ? Thanks.
Can you make a video showing how to get to the fuel injectors
This is brilliant and I am going to do it but serious question..... does it actually clean them? What I mean is that I have seen carbon build up on throttle body and if you just spray with no actual wiping or rubbing, the build up only gets wet. I would think it would take several cans just to clean one. BUT if you say that they were clogged and you could feel it, then you did this and it fixed them - great! Just want to know it actually works. I appreciate any responses.
Great
Cool!
Nice
Perfect man easy Peezy
Does this actually work? My 2014 chevy Cruze LT shut off on my luckily right when I made it to my exit by my house me and a good friend with me will either tow it to his house or get this fixed where I am parked and camped out for the night.
Good Video.👍🏼👍🏼
Hi can you use batt. on all elect. injectors??thanks
🔥🔥🔥
What type of spray pattern are you looking for? Spray mist or stream? Thanks.
I have big fat fuel injectors in my G20 Sportsvan. Will this work on them ?
Can this trick work on direct injection injectors 17 camaro lt4 ?
Hey Brada ur video helps alot thankyou.my car cranks but wont start...I replace my coils, spark plugs, now I clean my fuel injectors , but damn my car still wont start.my fuel pump works but I don't know what else 2 do..I'm not a mechanic but I'm hoping U can help.
Check compression
Check fuel pressure . Pump may be week..
Wish I had known this before I put my 4.0 back together lol Oh well, not like their hard to pull back out!
Maybe yours were fine
I tried another method of cleanings while still on the car. But didn't work and just made a mess 🤣 The little straw was to lose. And glue was a bad idea. So I just ordered a new set on eBay. Also just wondering did you have to back spray or flush the injector as well?
Can you use jumper wire instead of alligator clips?
I want to use brake cleaner, do you think it is better internally?
I have a Honda CBR 1000RR do you think this trick will work cleaning my injectors?
I'll use your method to clean my car injectors.
Hi, would carb cleaner damage any seals in the injectors? I am planning to clean my LPG injectors! Thanks
lol who knows but is it really worth taking the chance with lpg? Call the dealer and various shops that will work on lpg cars and find out what kind of cleaner they use. Can't be too hard to figure out
Great video. Only thing i recommend is to NOT leave constant power to the fuel injector as you can burn out the solenoid inside of it. Tap the positive terminal on the battery when doing this. Also use a multimeter to figure how much pressure each fuel injector is giving off. One low reading could be the culprit of your engine misfire(s).
I did just that by following the same example of another video - 14.5 ohms (in spec.) before, 15.5 ohms (out of spec.) after. Oh, and I also cracked the aged pintle cap removing the lower o ring. $50 round trip to O'Reilly to buy an overpriced, budget injector. Don't let this happen to you fellas.
How do you use a multimeter to figure out how much pressure a fuel injector is giving off?
@@Force1Com You can't really check the pressure/spray pattern except by hooking it up and blowing carb cleaner through it. By selecting resistance on your multimeter you can tell if it is in acceptable operating range. Of course, you would have to research what are the specifications ("spec.") of your injector.
NOTE: this method is tricky and I was unsuccessful with it. I gave up trying to clean them and bought Bosch replacements at Rock Auto (beware there are fakes out there) for my '05 Sentra. My gas mileage improved from 19.1 to 26 mpg, my misfire disappeared and it cleared the dreaded P0171 which dogged me for 4 yrs. despite replacing the MAF & fuel pump.
@@Force1Com you would use a multimeter set to “ohms” . ( which would measure resistance between each side of your fuel injector solenoid . You can look up what the spec resistance should be . Or maybe measure resistance of a new one 😉.
good point - say, isn't the fuel injector for the 4.0 piezo based ? For solenoid/electromechanical injector type you should have a separate side inlet for the fuel and the magnetic/solenoid on top of the injector - your thoughts ? Thanks.
What about dropping the hole injector in a vat of carb. Cleaner for about 20 min. then spray and activate them .I’m gona try it.
What is the correct spray pattern, a mist or a as shown?
How often do we need to change the injectors? Got a 2000 TJ with 155,000
You have to take mesh filter out of there and replace it
Your medal is in the mail buddy and you have to fill out the attached card to tell us what pose you want for your statue. Best channel around
Now you just need a Cherokee like a real man.
Hi there, how long would you recommend running the cleaner setup for? i.e., how will I know if they're "clean" ?
An injector should produce a fine, misty spray pattern. There may be discernible jet streams coming from multiple holes in the pintle nozzle, but the edges of those individual streams should be super feathery and foggy, and shortly after leaving the nozzle it should look like a fuel fog rather than a jet of liquid. Until you get your injectors to spray a very fine foggy cloud of cleaning solvent, keep going. Alternate forward flushing and back flushing every 15 seconds or so. By that I mean flip the injector around so that you spray cleaner in each side back and forth. The cleaner won't come out well at all when back flushing them. No pattern or mist. That's fine, you only get the fine mist when spraying in the direction that fuel would flow normally. 👍 Gasoline liquid is not flammable. Gasoline vapor is EXTREMELY flammable. The injector's job is to atomize the jet of liquid gasoline into very tiny droplets which have such a small surface area that they evaporate by themselves into vapor that can be ignited by the spark plug. If the injector doesn't break up that liquid gasoline into teeny tiny droplets, they take a long time to evaporate; longer than it takes for the piston to draw them in, reach bottom dead center, compress the fuel and air charge, and get pushed back down as the spark plug ignites the charge and it starts to rapidly burn. Ideally, ALL of the tiny fuel droplets are evaporated entirely into gasoline vapor by the time the piston is ~1/2 way up on the compression stroke. That means all of the gas charge is mixed with the air and flammable to push the piston down and drive the vehicle. When the droplets are too big and fail to fully evaporate, the same volume of fuel produces a weak combustion event and a bit more fuel has to be injected to get the proper combustion event. That means less gas mileage, and all the little droplets that did not evaporate and burn are pushed out into the exhaust which become unburned hydrocarbon emissions which the catalytic converter has to "burn" which heats it up, fouls it with carbon, and shortens its lifespan. So, TL;DR you need to clean them until you get a nice misty, foggy spray pattern with no discernible boundary margins of each jet past an inch or so after the injector nozzle. Forward flush and back flush until you get that result. Then you're done.
how's the improvement in gas consumption?
You dont need to take out the injectors. It is quite a job to do it if a lot of stuff on the motor have to be removed. You can put the carb cleaner to the intake of the rail which I think is on the left side of the motor if you sit behind the steering wheel but check your car properly and you will find it out. Then do the same as you did, just spray it into the intake and run the motor after having disconnected the relay of the fuel pump so it not delivers fuel from the tank but only from the carb cleaner. Have you tried Mr Jep Solid or any other here?
Sounds good in theory but,
A-You wouldn't be able to see if one of the injectors wasn't engaging while doing it that way and ,..
B- wouldn't see if they were all spraying in a spray pattern rather than just a stream. A spray pattern is what you want to see to know that the injector is working properly.
So ,yes it would be easier, but also the laziest and most unreliable way of doing it. Just do it the right Way and stop looking to cut corners. Or cut corners and learn the hard way. Up to you bud
Very stressed out! I rebuilt my entire jeep except the motor because it is perfectly fine! The problem is fuel being delivered! If you have any suggestions or videos for pulling the full rail, that would be great! Just took it for a test drive, worked amazing, then stopped getting fuel to it. 2000 Jeep wrangler 2.5L Just not sure if it comes out as one? It looks like it should
Ls swap
Petrolium Jelly will break down rubber, I suggest use white grease or oil. Not to mention the injector is desinged to work with 12volts, using a 9v battery is underpowering which is also not a good thing to do.
(Not a car guy.) Do we need a pressurized seal like that, or can we just hold injector upright and pour the cleaner in? Dumb question? lol
Is there any concern with using petroleum jelly on the rubber fuel injector o-ring? I know some greases will cause rubber bushings to swell. I don't know, but maybe sil-glyde would be a better option?
No issue that I know of. It's a trick I've seen other mechanics use on this application
Plumbers grease is safe for all rubber. I know mechanics use Vaseline but I have had issues when putting a petroleum based lube on rubber
Vaseline(aka petroleum jelly) will deteriorate rubber. The question is whether these o-rings are ‘natural’ rubber or synthetic. To be safe, silicone spray should be used.
How do you know what size positive and negative or does it matter? Thank you
In this case it doesn't matter.
👍
Is Brake Kleen a bad idea?
Great intro ! ...did you make it ?
Yes
👍🏻
What is the diameter of the hose? Inside diameter.
Hey Dale, I thought you mechanic's always say to use silicone grease on rubber components rather than a petroleum based lubricant because petroleum will ruin the rubber seals, gaskets, etc.
Gasoline is a petroleum product.
is too much pressure possible?