Fuel Injector Upgrade Install

4port fuel injector upgrade for your Jeep/Chrysler Engine!
www.ksuspension...
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[@DBohl]

Finally got around to putting in the four hole injectors. Jeep runs much better no more long cranks when the engines hot. Thanks for a good product at a reasonable price.

[@ksuspension6830]

Thank you for the support! -Happy Trails!

[@vonJaerschky]

I just put a set of your 12 port injectors in my 91 XJ and I can't believe the difference! Way more power, much better and smoother running motor. I'm honestly shocked at the difference!

[@houseofpills]

Thanks for the high quality vid and your KSuspension products in general. Just a side note-- there's a Schrader valve (like the ones on tires) on the fuel rail; any time I'm working on fuel line, etc. I like to take the cap off and push the valve stem in to alleviate fuel line pressure. This coupled with gas cap removal will ensure there's absolutely no pressure in the fuel line.

[@natej9876]

I have a jeep wj V6 4.0 and the fuel rail doesn't have the Schrader valve

[@chrisk6101]

@@natej9876 my 97 zj has one I'm surprised you don't have one

[@mikecarr1484]

I seen many videos. This is by far the best one for this job sir. Good job man. I always try n make videos but I have add. So I can't focus enough to make a point in my videos.

[@sicuba1957]

Ok Y

[@timothygardner2974]

💯! Best vid for sure!

[@AJEI1973]

Just installed my four hole injectors this weekend. Can't speak to power or mileage increase but the Jeep runs great.

[@tylerstains]

Was the only improvement just a better running jeep when you put in the 4 hole injectors?

[@TheMrnaxernaxer]

the reset the pcm and the way to take off the inyectors is the same to all the models for the cherokee classic 99 work on to.

[@joshhope9287]

Just make sure you have the correct injectors for your pigtail or you will be splicing each one. I have a 97 Cherokee sport with a 95 engine and got a bunch of parts off an 01. The 01 injectors are a different connector. Also there are some differences in the fuel rail itself. Mine only has 1 line on it. I’ve had to piece together this engine with parts from 3 different models lol !! Just something to look for before you dive in and remove everything! Love the video and subscribed!

[@ranytravis4953]

Most Allentown video I've found ..so righteously clear and detailed...great job!!

[@peaceandhopeiscoming1559]

I agree with others to the excellent quality of the video. I received a set that had a bad injector, called and KSuspension was very apolgetic and got a new set immediately to me. As others have stated service and follow-up are outstanding. No reservations in rcommending KSuspension to others.

[@kaleemasilon8919]

My jeep doesn't even necessarily need new fuel injectors, but now I want to replace them 😆 Sweet dipped cylinder head cover too! Thanks for the easy, comprehensible video!

[@colandreo]

This is an amazing video. I bought a set of 4 ports from you for my 1992 about a year ago and am finally getting around to installing them, as we were sorting out a transmission issue. Thanks you for all of the wonderful information.

[@Lee-San247]

I'll be doing this job tomorrow on my 2000 XJ... Thank you for making this video, it's far better than any others I've seen. I really appreciate it.

[@lordofwar9638]

Love that valve cover.

[@KSuspension]

Chus Papi Thank you! I love it as well

[@Warweapon2]

You should really use a silicone based lubricant for injector O-rings to reduce the risk of degradation of the material.

[@fabiopunk1661]

I guess so. Lithium grease is compatible with everything as far as I know.

[@fairenuf1045]

Is wd40 ok to use??

[@codybrookehanson2346]

Just ordered some 4 holes for my 1988 comanche! Thanks for the installation video.

[@jat-justamaturetech-philpj8285]

2000 4.0 wj IL6. What if you don't reset your pcm? Will it just relarn your new injectors, from 1 hole to 4 hole. I did this and got po172 and po175 oxygen sensors running rich. Cleared codes and ended up replacing my fuel pressure regulator/ filter. So far so good.

[@0megacron]

Thanks for the video, and especially for discussing the difference between the pre and post '98 models. I've done this a couple times on my 1990, but now I'm about to tackle it on my 2001 and noticed the different-looking injector plugs.

[@just_a_guy13]

these guys are awesome! customer service is on point. there was a problem when I ordered my injectors and they personally called me to get it resolved.

[@sicuba1957]

D. F ,mvf. M tvf, fm d hace m,

[@jamcdona]

Bought mine from KSus last year, and just installed them today. Idle is very much smoother! We will see what fuel mileage does- from really bad to just disappointing will be a win LOL. I was hoping they would take care of a slight pinging I have, but they didn't. Probably carbon build up...

[@KSuspension]

Thanks for your support! Keep us posted and reach out if you need anything!💪

[@quintins4698]

I just changed my injectors to the 4 port ksuspension ones. This video definitely helped to get the job done. Seems like I have a brand new XJ now. Thanks.

[@_Brando_69]

These injectors are great. Work perfect. Just installed the four ports in my 89 renix xj. Beats the hell out of paying 70 something bucks apiece.

[@ismaelreynaga4943]

BrandoFPV How much were the fuel injectors ?

[@Katarinarabbit]

See we have a carbed head I got a 90 how do these work

[@gilmolina5451]

on the 96 xj i got reset the pcm the same way you did this on. very detail video .

[@zxtenn]

Just did my 96 ZJ with the 5.2, under 2 hours including going back and forth for the right tools, does run SMOOTHER, Bosch 4 hole for 70.00 on ebay, will check any cold start advantages tomorrow. I used some top quality waterproof grease on the O-rings for the fuel rail and intake side as well, does help a lot

[@KSuspension]

jim dandy I'm glad the eBay set actually worked for you. eBay sellers are a hit and miss most of the time. Sorry we couldn't be your supplier for your injectors this time, maybe next time!

[@zxtenn]

OH- to be honest I didn't know u sold parts?

[@KSuspension]

jim dandy it's ok. Still a small company. Working our way up the ranks :-)

[@benjaminsmith2899]

how was the cold start and everythingso far? I got those on my 4.0 along with a comp cam, and edelbrock head with lots of extras.

[@bigbudha168]

love the way you explain everything great job, i sub.

[@gman1035]

Extremely pleased with the set of injectors for my WJ 4.0 liter.

[@luislarin1992]

This video just helped me do my own fuel injectors myself saving me tons of money taking it to a shop thank you so much!!! Was easy to follow step by step

[@stevenharden803]

1996 jeep Cherokee Country 4.0 bought the 4 hole injectors from you guys and have had nothing but problems out of my jeep.

[@KSuspension]

sorry you're having issues, not something we normally run into. Feel free to shoot us an email or phone call and we can help resolve the issue for you. Always here for you.

[@dylanburton2351]

found this vid bought the fuel injectors installed em with the help of this vid my 94 xj thanks you! KSuspension kicks ass!

[@dezertdestroyer7782]

Does it do better ? And if so what changed?

[@dougharlow6037]

Thanks you guys for all the help. Your one of the few that actually replied to my comments. THANKS. Keep up the self help videos.

[@nathanknepper1431]

you’re a natural at speaking and explaining through the camera. good stuff 👍

[@acokedupmonkey3762]

So originally when I learned about this I figured I would save some money and order some supposed Bosch ones off of ebay... Yea, bad mistake. My Jeep ran like crap and I ended up sending them back. So I just ordered some from you guys yesterday, cant wait to install them now that I know they will be right.

[@BayAreaBoss1986]

Just got my injectors in the mail. Kind of a small world. I won them on a facebook group and was looking for a how to video. They happen to be from k suspension. Great video. Will be doing this tomorrow. Thanks for the help and the injectors

[@curtisackley9660]

Just installed my injectors, runs perfect. Super easy swap! Thank You

[@jameshoncoop8511]

Just put mine in this morning what a noticeable improvement.

[@thedeathwobblechannel6539]

i need this. with my death wobble properly slain, time for some engine help.

[@covinaca5312]

Thanks! I just replaced #3 injector. Your instructions were spot on!

[@ferris_outdoors5866]

Did your jeep have a misfire? My #3 cylinder is misfiring but I'm getting spark and power to all my injectors.. do you think my #3 is clogged??

[@dth5050]

HEEP_LIFE the cylinder 3 misfire is caused by heat soak which creates a vapor lock in the fuel injector. Without proper heat dissipation, the fuel vaporizes, causing the misfire. Years ago a TSB was sent out. Search on EBay, Mopar Ignition Cable part No. 56028371AA. sold by AvondaleAutomotive who has a 99.8% positive feedback. The TSB instructs to cut the part in half, installing one piece with the slit facing up and the second piece with the slit down. I also removed the factory heat shield, I purchased mine from Summit racing for less than $25. Part No. 53013669AA , Shield Exhaust Manifold. Pull the throttle cables and fuel injector wire harness. Simple install. I forgot the guys name, search KZbin for Jeep in-line six, rough idle. Dude will walk you through the install of both parts. This fixed my misfire issue over night. Although sooner or later I will run an auxiliary fan over ride switch because I live in hot and humid South Florida, as well as replace my fuel injectors with the 4-hole remans from K Suspension because some of my stock injectors have cracks. Anyway follow the video and you should solve your misfire issue.

[@dth5050]

HEEP_LIFE the video is titled Jeep inline six, 4.0 rough idle after restart by AJ Phillips

[@skippygirl959]

Thank you for telling us that rough idle is normal at first, it would have freaked me out if I didn't know.

[@fernandoquevedo9916]

Graciaaaas!!! Thank you so much bro, greetings from Margarita Island!!!

[@jonahashman8814]

Mind sharing how you painted your valve cover? That kept catching my eye!

[@KSuspension]

@@jonahashman8814 hydrodipped in a tote from Walmart, full of water and paint :-)

[@davidfalcon6061]

Great video, you made it with simple to follow instructions, nothing like working on a in line 6 cylinder...

[@n_amesr_emaina_nnonymous1253]

Just bought the 12 hole, this is a immensely easier process then I thought.

[@dylankrone2905]

Awesome video! This was extremely helpful for me, even though I did this on my WJ. Epic valve cover paint job btw!

[@joegarces8044]

Thanks for the great video. I agree with another post below, you have a talent for this. Well done. My question: do these four hole injectors work with the ‘97 TJ, 2.5? If you also don’t mind, what’s your opinion on this situation my 18 year old son and I dealing with right now. Driving down road, loss of power. Stalls out. Restarts a few times and then won’t at all. Went through a series of things and wound up deciding to replace EVERYTHING we could think of and reach as PM. Started with replacing the fuel pump since there was no pressure. Still won’t start. Good fuel pressure now at fuel rail. Also would not start with starting fluid at this point. Tomorrow morning we are replacing the injectors and the local store has these as an option, which is why I asked your opinion. We are also replacing the plugs, wires, and distributor tomorrow because we have everything torn apart. That, plus the Jeep sat in a field for many years in Idaho and since it’s my sons college daily driver (which he wants to own forever) I figured I would do as much PM as possible while we can. I’d appreciate any thoughts you might have about where to look next if tomorrow’s changes don’t fix the problem. Thank you and happy new year!

[@KSuspension]

First off, Thank You for your comment. Secondly and further, yes, these amongst some other injectors will work for your rig, as for the work you’re doing, no sense in throwing a parts canon at the rig to find the issue. Most problems can be diagnosed easily with a meter and power probe. If you’re in the southwest side of Idaho, feel free to swing by our shop in Nampa. Be happy to help you figure this out. If you’d like some deeper help via messaging, shoot us an email. Be happy to help if we can. [e-mail]

[@neonzion7]

I just bought a set from you for my dads 1994 4.0 ZJ, excited to see the difference everyone experiences. I specified it was for a 1994 zj, im assuming that ill receive EV1 injectors right?

[@KSuspension]

That is correct 💪

[@dannoputtano8182]

6:55 great video well done. Wondering if the PCM reset is the same procedure for a 99 Jeep Grand Cherokee with 4.0L? Thanks

[@kidtheday]

hoow do i know what jeep i have? i have a 2004 grand cherokee inline 6. is that a xj or an mj or a wj???

[@KSuspension]

@@kidtheday excellent question. Your 04 Grand Cherokee would be a WJ.

[@Javier_Jimenez71]

Perfect, my new injectors are coming in today. Cheers

[@electric_thumbs]

It's been 8 years. It hasn't leaked gasoline or anything since you install those injectors right even though you used petroleum jelly? Is it okay if I use viscosity 525 mineral oil to install my fuel pressure regulator?

[@lancesnedegar4446]

What's up bro

[@chuckieswickedgoodfab]

Great Video, looking forward to installing mine.

[@bezalelex31]

Petroleum based lubricants will cause "O" Ring seals to deteriorate and fail. Use teflon or preferably silicone which help keep rubber products supple.😜👍

[@davidespinoza7349]

thank you for the expert explanation of steps necessary. Just got a 98 4.0 with 114k on it. looking to do some upgrades. I have a question... What is the black plastic rail looking thing next to the fuel rail? mine seems broken.

[@KSuspension]

it's just a cover for the ignition wires, it also acts as a hold down onto the head bolts so that it doesn't move around. they crack/break all the time. You're not alone

[@SamSam-ke9zy]

Is the PCM restart the same for a 98 Gr Cherokee 4.0? The 30+ seconds of touching the terminal cables together and System on, lights on, lights off, system off?

[@KSuspension]

Sam Sam I do believe so, yes

[@michaelnetherton7473]

Nice and clear video with no BS. Well done.

[@kristophermathis8584]

Nice video. By the way the headlight harness is Freakin sweet!

[@KSuspension]

Kristopher mathis Thank you

[@supermercadojovi8056]

buenas amigo mi camioneta grande cherokee limite 8cilindros motor 5.2l limpie y los inyectores bien trabajo bien por um mes luego le cambie la bomba de agua, resulta que la prendo y la sorpresa los injectores me empezaron a botar gasolina por la parte de arriba de los injectores le cambio los gomitas por tres veses y sigue igual tiene buena presion de gasolina gracias de venezuela

[@svborek]

The other 1s you can buy that are better and more compatible are bosch 280155746. Normally made for volvo. 4 port as well

[@KSuspension]

Those work best for the renix era XJ’s That’s what we supply for them

[@svborek]

@@KSuspension that's what I have is renix

[@jamescastillo33]

Thank you for the thorough explanation! 🙏🏼

[@maximusilive4theking986]

Is it the same reset for an 89? I'm looking into replacing the injectors myself. This video makes me feel like I can accomplish that task.

[@KSuspension]

Same procedure! You got this!

[@maximusilive4theking986]

@@KSuspension thanks for believing in me

[@David-rj1ru]

@@maximusilive4theking986 you FAILED!!!!

[@JeepTJWheelin]

Can you send me a link for a 4 hole fuel injector set for a 2005 Jeep TJ 4.0?

[@KSuspension]

www.ksuspensionfab.com

[@christopherj9494]

Need some help. Do you remove those pintal caps you added In Front of the O rings? My new 4 hole inj. Just arrived for my 97 xj . Tia

[@ErnestoFry-lv2zr]

Very helpful video.I did the swap on my 96 xj.Now my check engine light is on and it idles really rough.did everything like in the video.Is there some other problem that can happen with the swap?

[@hndaxr400rdr]

could be a few things, easiest thing to check is first, the code. from there, you can diagnose down each cylinder to figure out what is causing the issue. Feel free to email us for additional support.

[@ErnestoFry-lv2zr]

@@hndaxr400rdr I reset the computer check engine light went away and hasn't come back.still idles really rough and shuts off after a minute or so.

[@hndaxr400rdr]

@@ErnestoFry-lv2zr shoot us an email and we can help you diagnose further

[@jasondorr583]

I appreciate the video. Very helpful! Thanks, Jason

[@wesleybridges8733]

I'm assuming the injectors on your website would work for a WJ as well, correct? And the 96 dollar price on your website, is that for all six or just one? Great videos man keep it up, you really deserve more subs :)

[@hndaxr400rdr]

+Wesley Bridges Correct full set, and yes they will work for a WJ as well And thanks for the compliment, hoping to build up more as well!

[@1SlowMk4]

Idk what fuel rail you’ve seen on a 99 but my shit won’t come off at all I can’t figure this out

[@bunnygamer1313]

Tengo cherokee xj un injector no cerraba tiraba gasolina lo cambie e hiso lo mismo es por eso que se apaga cuando agarra temperatura por que se aoga de exceso de gasolina???

[@ericgarza7170]

Great video, I am about to order a set. But I need some help on a couple of questions....... 1: I also need to replace my fuel rail any suggestions? 2:, I keep getting an evap cope and can’t seem to find the problem. It’s cold starts rough, sometime it will stumble on and a small pop out the tail pipe. Then levels out and idles great after a few seconds. And never does this when starting warm, Not sure if it’s the same issue as the evap code (small leak or no flow) I have changed the fuel lines near the tank and also the evap purge valve near the front P firewall, what should I check next? Thanks.

[@KSuspension]

Email us some info: [e-mail]

[@colandreo]

Do you have any videos concerning what mods are required to swap the later model curved runner 4.0 manifold onto an earlier model straight runner manifold engine? It seems that I am going to need to weld up a new mount for my PS pump.but I suspect there is a lot more, as it seems that I need to remove a flange off of the newer manifold.

[@hndaxr400rdr]

no video sorry, but you'll need the PS pump and brackets off a newer jeep to mount onto it.

[@paddyboy12432]

great video! is it the same process to reset PCM on a 2000 grand cherokee laredo 4.0 (battery cables, ignition & lights)...?

[@KSuspension]

Patrick Walsh should be the same, correct.

[@ijattala]

I was told to remove that clear pladtic round tip from the bottom side of the injectors. Doea it make any difference? Wouln't that plastic tip melt inside?

[@KSuspension]

It’s a pintle cap, helps retain the oring, won’t melt, we leave them on You’ll be fine though

[@bizzybri]

I am trying to find new seals for mine. I have the exact same yellow ones you sell in your store. My question is what o ring kit do you use? I am struggling to fine the right one with the fiber o ring retainer.

[@KSuspension]

bizzybri feel free to email us and we can set you up with an entire rebuild kit with everything you need to install your injectors properly!

[@thesecret2]

actually all mine is on the injectors is you pinch the side with your finger and it come rite off, no tools required

[@kiwionarope]

Great video, whats the point of the plastic bits on the end of the new injectors? The old injectors dont have them.

[@KSuspension]

Gone Bush those are called Pintle Caps, and they're main functions are to keep the orings on the injectors, just like a top hat

[@christopherj9494]

Just got your 4 hole inj. For my 97 4.0 XJ. So do you remove those plastic tips you sent, holding the i-ring on??

[@danielzimbrich9484]

The PO of my 99 4.0 XJ has installed injectors with a blue stripe at the end that's goes into the intake manifold. Any idea what they are? I was going to replace them with a new set of single hole injectors that came with the jeep but wasn't sure if the blue stripe injectors was an upgrade.

[@KSuspension]

I’d need to see a photo. Email us

[@sincitydude7296]

new problem. Did everything according to the instructions. I reset the PCM, started the car and it's running super rough. is it supposed to do this? not sure what to do.

[@KSuspension]

m medrano after a pcm reset its normal for the engine to rough a bit rough. The idle should clear out after a few minutes. If you're still having issues, send us an email or give us a call tomorrow and we'll take care of any issues if an injector is the problem. They're all remanufactured so sometimes I do see issues arise. I'll warranty out an injector if it happens to be the problem.

[@sincitydude7296]

it didn't clear up and it sputtering like an old Buick. not very happy about this.

[@KSuspension]

m medrano as stated, the injectors are remanufactured and we stand by our work 100%, sometimes issues may arise, and I do apologize about the issue. If you happen to have a faulty injector, once found, we will replace it for you immediately. Send us an email or give us a call tomorrow so that we can narrow down the issue and get it fixed.

[@sincitydude7296]

KSuspension it says I have an open circuit on injector number 4 but that code was already there with the old injectors and it didn't run this bad. Not sure what to think or do. I may have to put my old ones back in and send you yours back. I would email now but I know nobody's at work on a Sunday at this hour so that's why I'm communicating with you here. sorry if it's bad PR.

[@KSuspension]

m medrano I'm ok with an open service system. Weather we speak here or on the phone, I would tell you the same things :-) Shoot me an email, I'll send you some tips to narrow down the issue and get you fixed up asap! Please include your year in the subject line. I'll be waiting for your email Thank you

[@beboboymann3823]

The ECM reset procedure is interesting. Does this work for the Wrangler TJ as well?

[@KSuspension]

Yes

[@jacobhogue5625]

Great video! Simple and no bs. Thank you!

[@natemorris6488]

So i have a 2.3l ford ranger and im wanting to put 15 lb fuel injectors which isnt a huge upgrade but it is an upgrade . do i need to turbo charge my ranger in order to put bigger injectors in it?

[@wayneharper7597]

So what "Brand" of fuel injectors would you recommend for a 2000 jeep TJ?

[@KSuspension]

Wayne Harper the Bosch or ford Gen III bodied injectors will work perfectly for your model. Let us know if you'd like to order through us, we do offer a lifetime warranty as well!

[@9warnera]

KSuspension with that lifetime warranty does that mean after 100k miles if I wanted to put new ones in for maintenance purposes does that cover them ?

[@WhoNeedsStandards]

What's the point of changing the injectors? Do they add hp if so how much, same for mpg.

[@KSuspension]

Glad you asked, here's the low down on the upgrade: the oem injectors are a single port design which...quite literally, "piss" into your combustion chamber, the 4 port upgraded design doesn't use any more fuel than the original, as they are matched to the same flow rates, but has a better "mist" into the chamber to allow better fuel atomization, which means you'll burn more fuel than you lose, your throttle response increases, your idle smooths out, highway driving will seem smoother, and your economy will level out The upgrade is a no brainer for any owner of a 2.5, 4.0, 4.7, 5.2, 5.9 engine Add in a true bored 62mm throttle body from and you'll be kicking dust at people behind you all over town! There isn't any HP gain, as that involves more work internally in an engine, but you will notice a good change in your economy on top of the above mentioned results.

[@WhoNeedsStandards]

KSuspension Thanks for the reply!

[@acefrehley929]

hey brother i love your xj hat how do i get one ?

[@ksuspension6830]

Hello, Unfortunately, the people that made this hat are no longer making them. You'll have to have a custom one made.

[@MrDrag1on]

I have looked so many times how to reset a pcm and is this how its done?

[@beboboymann3823]

Wish I could like it again.

[@SanswayNuna]

Please do a video on how you painted d your valve cover :) it's an awesome look

[@KSuspension]

hydrodip in a giant walmart tote with spray paint

[@mikedaugherty7645]

Did you replace them because the 4.0 vapor lock issue?

[@KSuspension]

Although the new Gen 3 bodies do help aid with vapor lock issues, that’s most common on the 99+ models with the horseshoe intake. This jeep doesn’t have that issue, we wanted the upgrade from the oem single port injector to improve atomization of the fuel

[@mikedaugherty7645]

@@KSuspension thanks for the reply , unfortunately I have 01 grand and started having the vapor lock end of last year and start of this spring .. since temps started over 70 a few days ago.. was frustrating to track , others suggested injectors like these, or wrap.. I'm really wanting to just do injectors and have more even throttle and fuel economy..

[@KSuspension]

Mike Daugherty not a bad plan, and you can do the wrap at the same time. We have 15% off in house items At the moment with promo: UNCLESAM www.ksuspensionfab.com

[@seadoo_detroit]

Got 01 with straight 6,with 107,000miles,one day it was reading random miss fires,new plugs n coil...light turned off a few days later on its own..month later,im idling for 20 min,it gets rough n shaky and truck dies,then when i drive it it fine..i was sittting in traffick and the check engine light was blinking too.....what should i check out next?

[@KSuspension]

sounds like a combination of vapor lock and a bad coil rail. Check out our Viper coil mod for your 01, gets rid of that coil rail and you run regular plug wires to each cylinder.

[@ispeakchevy4632]

That was a very informative very detailed video. Thank you ksuspension!! I have to ask what happened to the valve cover? Is that a paint job or?

[@KSuspension]

Painted yes, hydrodip

[@ispeakchevy4632]

Thanks

[@paulnunya3429]

I see you had the Ford 86-93 type 19lb injectors on your XJ before you put in these newer skinny style ones you are showing in the video. Did you have any problems running the older Bosch/Ford 1.3 19lb orange injectors?

[@KSuspension]

Paul Nunya the ones I had in there were the skinny style, it's a type III EV1 19# injector from ford. It's actually the main ones I sell, I just happen to have another set of 703's lying around and was requested to make a video so I swapped them out again. There is no issue with either style injector and the gains are fantastic!

[@buddhaman43]

Very easy to understand thanks helped me out a lot since was first time for me.

[@nolanlong6882]

What radio do you have? My stock radio isn't cutting it. Great video.

[@KSuspension]

Nolan Long I believe the one at the time was the JVC KD-ABT22 it has since been replaced with another head unit

[@nolanlong6882]

Thanks

[@jeeppower4871]

those yellow injectors that you pulled out aren't the stock ones in fact they look exactly like the 4 hole injectors I'm about to install. do they suck? is that why you put the black ones in? great video though

[@KSuspension]

You’re correct, they’re not stock, they’re the 4ports we sell. Only reason why we changed them, is to make the video. No other reason. They’ve been changed 4 more times since just testing out different styles. We test everything before offering on our website, this jeep is our mule more or less lol

[@jeeppower4871]

@@KSuspension sweet, I just had to make sure b4 I put them in because I'm literally in the middle of the injector intake and header install. thanks for the info and for the fast reply. much appreciated and I'm subscribing to your channel b4 you finish reading this lol

[@dezertdestroyer7782]

Thanks rad ! Can’t wait to one day try it out

[@xIrHaxor]

i installed my injectors that i purchased from you guys everything seems to be going smoothly so far. i have a slight issue not sure if its a big deal or not but the throttle hold down is making contact with the 3rd injector from the front and turned it a little bit doesn't seem to big of a deal because i didn't reinstall the retaining clips but i have no idea if it'll mess things up in the long run or not? for clarification it just kind turned the injector and plug about 45 degrees and it is still in the rail and the hole in the block and is not leaking

[@KSuspension]

I assume you got injectors with adapters? Very common issue You can push that injector down 90° to make it flat and it’ll clear the bracket. Replacement pigtails is the best fix for this situation

[@xIrHaxor]

@@KSuspension thank you for the fast response! I'm assuming they are adapters since they plugged right up but they are the 4 ports and there wasn't an option for pigtails over adapters compared to the 12 ports. it wont cause any issues if i push it down 90?

[@KSuspension]

@@xIrHaxor nope. You’re not changing the direction of flow, just the rotation of the body

[@SuperHayley0000]

What other tool can you use to disconnect the fuel line? Can you use. Flat head screwdriver?

[@KSuspension]

I wouldn't recommend a screwdriver. If you don't have the disconnect tool, grab a pepsi can and cut out a section of it, wrap it like a circle, and push it into the rail to release the clip. Don't cut your hand. the disconnect tool is cheap at most any parts store, even walmart should have them

[@drivingdaily582]

Mo oring just failed on my renix, was hoping to get some 4 hole injectors. The website said there could be a delay on some of the injectors...when do you think they would be available? I am hoping to get my injectors from you...

[@KSuspension]

we have them in stock and ready to go.

[@drivingdaily582]

​@KSuspension Got them, Installed them, gotta do some more driving, but feels strong...thanks, I'll probably make another video in a week or two for review.

[@teop7887]

Would this be a good upgrade if running a cold air intake and bored throttle body? I know I'm running lean (2.5L 4 cylinder), perhaps this would help?

[@KSuspension]

indeed!

[@baltijoslietuvis4642]

Hello, I've had times the 97 Jeep TJ 4.0 fuel rail with new injectors "pops" back into the intake ports and times it feels snug but no "pop" with no leaks but damaged a couple injectors. Should you feel or hear a convincing "pop" or not, what do you think?

[@hndaxr400rdr]

usually don't hear a "pop" sound. they just slid in and bolt the rail down.

[@baltijoslietuvis4642]

Thx Raffi for helpful piece of mind. At times I overthink or overpower small parts. Great video.

[@riyamonh5106]

Can I upgrade my Camry 1997 fuel injector to Camry 2000 fuel injector?

[@jrodz808]

My 93 YJ with the 4.0 will have a rough idle and occasionally die on a cold start but after a minute it will be perfectly fine. Is this possibly a leaking injector?

[@KSuspension]

Jay could be Could also be a weak pump or bad FPR needs gauge and some diag time to figure it out

[@pastorammo]

Very good job at explaining everything! Thanks!