Jeep Spark Plug DIY and Coil Pack Testing
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- Опубліковано 26 сер 2024
- This is video is more directed for those who never really have turned a wrench but are willing to get their hands dirty.
: Jeep 4.0 Spark Plugs amzn.to/3JHZCS0
: Spark Plug Sockets amzn.to/3ePfDan
This job is pretty straight forward and will save you a few dollars. The inline Jeep 4.0 engine is really simple to change plugs in. Just remove the DIS bar and boom the plugs are right in the open. No need for special sockets or extensions here. remove the plugs check the gap for the new plugs and install them.
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#jeepcoilpack #jeepsparkplugdiy #diagnostic
I’m going to check my coil pack tomorrow with my multimeter - I’m getting a crank and no start condition. Before spraying some carb cleaner in the throttle body to see if it’ll start and potentially figure out if it’s fuel related I’ll check my coil pack - this video helped me in checking to know which pairs and cylinder fires together
Why the hell can’t I get any readings with the probes touching the springs inside the coil pack
Great vid, you should always check spark plug gaps anyway, I have found them closed up right out of the box.
Great !!! I did it to my 2001 Wrangler about 40 minutes, Im not bad mechanically so it was a victory, and then she' started up !!!
Thanks for the video and saving me some $$$
what setting did the meter have to be at?
I spent the whole day standing in the rain fixing my daughters jeep. Your video was gold to me. What a great help ! thanks ,I wish I could buy you a beer !
+Stolichnaya 1 that's good i'm glad I could help, what was the issue if you don't mind me asking ?
Several things, Replaced the water pump and then noticed it was missing after I drove it . I watched your vid and then replaced the coil pack and plugs, then noticed her emission line was cracked, replaced the elbow and line coming from valve cover. A lot of running back and forth to the store. Runs great now.
You are right-- even I did this with my 4 banger Jeep SE with no mechanical skills. Thanks for the encouragement. The time lapse is a nice effect, Jerry.
Even when I’m not trying to watch your videos they still pop up in my searches.
Best plug installation video I've seen. Very thorough.
My ignition rail reads:
1 and 6 no reading or infinite
2 and 5 no reading or infinite
3 and 4 no reading or infinite
conclusion, cooked ignition rail
By the way, automatic thumbs up: hood louvers on a TJ! It was the single best unintentional upgrade I did. While offroading, a huge branch fell on my hood. I always hated the look of the hood louver on the TJ and mocked it as a ruined hood. Well, the price of a new hood was horrible. The louver was very affordable. I had no intention to cut holes in the dented hood, just put the louver on to cover the dents. But I decided to put on the louver on correctly to cut out the dents anyway so water would not pool up in the hidden dents. After I was done with the installation, everything looked the way it was supposed to look and the dents were gone. But I was furious at the look of my hood. Grunting, I went for a long ride to pick up a new fan clutch from a junkyard. I picked up the fan clutch and drove back. I am used to working on my Jeep in a hot summer's day. I usually get the part, then open the hood for about one to two hours, to let the horrible heat out. I stopped and opened the hood to vent the heat. There was barely no heat under the hood as compared to what I usually got! It was the louver working! I was able to pull the old fan clutch and install the new one immediately. I love the hood louver so much that I grew to love the look. Whenever I see an old TJ with an aluminum or black hood louver, I think to myself, "There goes an intelligent Jeeper that also appreciates functional beauty."
I like to use anti seize on the threads and to use a little silicon on the boots to keep them from cracking
Seriously, you should try some marvels mystery oil with every fuel up it works wonders on keeping your engine running smooth and clears carbon as well as keeps your gas lines from rusting and fuel pump clear I use about 4-8 oz every fuel up with 20gal tank
mobile.walmart.com/ip/Marvel-Mystery-Oil-1gal/16767858
Ok, just looked it up you can't get this in canada . But the next time you come to the states pick some up
those are good points
nooksolo trust me I will be looking for some
When testing the coil packs, how much of a difference from the other packs would cause you to think the ignition coil needs to be changed? On my TJ, 2&5 is about .4 Kohms off from the other packs. Ive been getting a p0300 code so Im wondering if changing the ignition coil needs to be changed?
Can’t you just pull the fuel pump fuse, hook an inline spark tester to each plug and coil on the coil strip? Or since they fire in pairs will this method not work?
Man i just love your jeep you did such a great job with it. thanks for all your videos your awesome Jerry.
thanks for following along with the project
Just watched the whole jeep build playlist, that thing is badass!
How much do you think you have into it altogether?
The videos in the playlist are way out of order and that king of thew me off but whatever. Gotta love all the beers shared with this jeep!
I would drive my TJ up to Calgary just to go wheeling. Seem like a sick place for trails ad views.
ya there is 100's of miles of trails on the border of the Rocky Mountains
My Jeep threw ap352 code.I replaced my coil pack and plugs put new one on and nothing. Appears cylinder 2 isn't firing. Thought I got a bad coil pack. Got new one still won't start. Am I missing something??
What is the maximum value beetwen 1-6, 2-5 and 3-4? 15Komhs?
Got a Jeep question. 2004 Grand Cherokee, 165000 miles. 6 cylinder 4.0 When put in reverse it seems to have a miss in the engine. All forward it runs fine. No check engine light. Any ideas?
Great and simple explain,Good job, thank you from Spain!
a resistor type spark plug is what should be put in all jeep 4.0 litre engines. good video, just wanted to point that out.
Multiple studies have shoe that the auto lites thst he's using respind best with the 4.0
Copper champions too, but they don't last as long
anti seize on plugs going into aluminum head and always torque to spec which is usually alot less than you think.
With your meter you were checking resistance between the coil pairs?
I love how this process completely changes when you're doing a 5.4 3 valve triton. Nice going ford lol.
maybe i will do a video of coil pack testing in the future on a ford 5.4 3v motor
That would be cool. Make sure you mention all the things propel have to do so they don't break the plugs.
there is no guarantee that a plug won't break while removing the spark plugs in those engines
Right, so step one would be pray. :)
@@BackCountryWrenching step 1: pray
Step 2: pray more. 😂😂😂
great video ... always crack a beer bro keep up the great work
Funny shit Gravel. $400 to do all eight plugs on a Ford Expedition. I tried. Said fuck it let the shop cross thread it not me and sure as shit they did. I'll go wheeling with you Jerry. How far is AZ to Calgary in beers? 6 thirty packs I'd say.
at least that many beers, hahahahah
When testing the coil pack as seen here, does the coil pack have to be disconnected from vehicle or is the test the same connected? Anyone? Plz & Ty
I replaced the ignition coil (brand new) but I can't get the connector to lock.. It doesn't click at all.. I noticed on my old cool a very small piece of the plastic the locks grasp onto is broken off... I'm thinking that it may be stuck in the connector but I don't see anything... What else could it be????
Great Job buddy
Thanks brother!
You should run copper core plugs on 99-up.
Multiple studies on the forums have shown that the auto lite iridium actually work the best.
Coming in 2nd is the copper champions.
But they last half as long.
@@codyrockwood15you'll burn out the coil pack.
Hi my friend, good information for do the trouble shooting.
Getting a cylinder 5 misfire under load. Replaced spark plugs and same thing is occurring. Runs and drives great, no hue issues there. But high speed or going up hills it just bogs down. Think it may be the coil rail?
i have 14.50 reading on all except 3&4 which have no reading at all. i have boots off to make god contact.. springs are seated well. have replaced crank and cam sensor and map sensors. runs terrible between 1-2k rpm.. any suggestions anyone?
What were you reading. Voltage, ohms?
i put a new coil pack on my nissan altima 2.5 and u thought it fixed the prob but then i let my brother change the brakes and rotors the coil pack melted two of them did so changed them again and now the pump wont work brought new pump and nothing what u think could be prob
I changed the distributor cap,wires and rotor button on my 99 xj sport. 4.0. Now it won't start. I have the firing order correct. The coil is still good. I changed them because the cap blew out and electricity was arching when I looked under the hood. I am out of ideas. Any info would be great?
Question for ya Bull I have a 2002 TJ 4.0 do you happen to know which wire of the coil pack terminal plug is the negative wire.
what kind of camera did you use to shoot this with? excellent quality.
I'm have truble of of my 2001 Jeep it's blowing black smoke an it has an hesitation in the gas I need help
What did you do with the sea foam?
excellent! thanks for sharing..
My jeep sounds like its straining to start why would it do that ?
You should do an Jeep Engine walkthrow,
do you have to time the motor or does it do it itself.
What were the results of the Auto Lite plug's?
What was that thing you sprayed on the sparkplugs?
It was the "wand thingy" he borrowed from his wife's bedside nightstand middle drawer. Make sure it's fully charged.
What if it’s 13.5
Great video. I am trying to diagnose a P0301 cylinder 1 misfire. I replaced the sparkplug and still getting error. Was wondering kind of power source you used when testing the coil pack, as I want to test cylinder 1 before I replace.
I'm getting the same code. Sometimes it runs good. Sometimes not.
I went and bought new pugs and coil rail.
Gonna put them in sometime this week.
You ever figure yours out?
@@codyrockwood15 new coil pack fixed mine
Why would you go platinum & not copper? Your engine will thank you.
Whats your opinion on E3s, I run them in my 2.5L, and no problem so far.
i've never used them so I can't say much about them
Hola Bullshitkorner....greetings from Venezuela. Thanks a lot for your videos....very helpful. About the last part of the video, I would like your comments on this: I have measured (by pairs 1&6 , 2&5 , 3&4) ) and the reading matchs with yours : all three pairs around 15 KΩ But, the remaining measures ( every coil with the remaining coil different to his pair), is indicating about 0.3 MΩ...not OL (totally open)
...why am I checking the ignition coil ??? Because, from 2 weeks ago, after starting the engine, if I don´t keep accelerating, the engine goes off vertically .....(the main sensors has been checked with scanner they are not indicating issues : IAC, TPS,MAP)
.....could I suspect that the Ignition coil is having issues according with the readings shown ???
...could the ignition coil's issues causes this behaviour , I mean, power off the engine ???
Thanks in advance.....
If I could, I will send a POLAR beer box to you......ja ja ja
(POLAR is the most popular beer here...and the most tasty)
+lucica1212 BTW, I have a cherokee classic 2000 year
+lucica1212 it's very possible since that coil is so close to the engine lots of heat gets to the coil and eventually burns it out
thanks Bullshitkorner....if we think that this coil is the original that came with the cherokee when I bought it new, it seems fair that is becoming defective 15 years after....
Help i replaced the coil pack and plugs now my grand cherokee wont start. Any suggestions?
Ya something you did or didn’t do is the answer
Best response hahaha
Iridium no good for 4.0's
How many plugs does a 4 cylinder have ? I want to get my hands dirty ..... and keep turning wrenches ... LOL Nice gloves ... I can use my Chinese torque wrench ?
Bullshitkorner lol very true my brother - not the most exact tool I have ever owned ;)
awsome gooooooooooooooooood oh im sophia i like it look nice and awsome
sure wished there was a reference for the 98 5.9 v8. I need to change coils and have not a clue as to how. so sick of looking on UA-cam. may just sell the 98 5.9... fml
+Jason Lynn buy a service manual.... problem solved
love ur accent bud :D
It's only an accent if your from some place else. lol
You do not want to "BLOW" the area at all = "USE A VACUUM"
+TheRealSpoony says yourself
Yup with a lifetime of experience. Blowing it is the dumbest thing I have ever seen. You can blow the dirt right inside...drink another beer I guess.
Just explain how you can blow dirt inside when the plugs are still installed? listen to how stupid that sounds, if dirt could get inside then compression would be lost when the engine is running using your logic. Lifetime of experience ?? ya whatever hahahahaha your a loser go back to videos games armchair mechanic
P
can't test spark to plugs if the plugs are out of the engine. this is not spark test, it is spark
replacement. & coil test ! Duhhhhhhhhhhhhhhhhhhhhhhh !
What’s the title of the video idiot ?