Finding a Misfire with Spark Plug Wire Diagnostic
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- เผยแพร่เมื่อ 5 ต.ค. 2024
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Engine running rough? Detect a misfire caused by spark plug wires with this simple diagnostic trick! #shorts
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I just make my boy pull the wire while the engine is running, if he makes a funny face I found the misfire! He isn't allowed to yell! Great video
You guys are always there for everything I need , just wanted to say thankyou very much.
Wish it was this! I suspect my misfire comes from deeper in the engine.
checks if there's too much resistance somewhere as well. Maybe plug got damaged or has too much gap. Would use this along with general plug check as well. Had one with a misfire the other day that recently had plugs and wires put on within the last year or so and all plugs on the driver bank were loose/finger tight.
Just get an inductive pen tester. Place it on each spark plug wires and see if it lights up or not. Really easy. Fixed my problem it was a bad coil pack.
I actually got shocked by touching the wires while running, I replaced it with a brand new one and I'm still having problems starting the vehicle
Hope you get it fixed I'm in the process of bringing my car back to life
tighten them up and make sure there gapped right g
Thanks Great Spark plug Wire Hack will try that asap 👍🏾
That's great if you can see and reach all of your spark plugs and wires... A lot of front wheel drive vehicles normally have a bank of plugs not viewable.
So glad I don’t have worry about this anymore
Nice video. Good tip. Thanks. Now what do we do for coil on plug?
Those parts house coils are terrible. too expensive and fail on the regular.
Say cylinder 3 is missing, move coil to 2 plug to 4, restart and monitor misfires with obd scanner, if it moved to 2, it's a coil, if it moved to 4 it's a plug, if I stays put possible injector or low compression
@@mechanicin replace whole coils and spark plugs that I would do.
@@Kevin-jn4uq not everyone is a tycoon like you to afford it
Plug could be missing grease in that areas as well and that’s why it’s arcing like that is because it’s supposed to be stopped by it but they must not have put enough there or the wire has torn/shorted
.So I had to check engine light. It was a PO420 cat bank. 1 then.... Started flashing and my truck misfires but it's only when you're full throttle.... Possibility that it's just plugs and wires. It has 212k. Maybe the last guy changed it at 100k with cheap plugs... I'm thinking the gaps are off and it's sending fuel into the cat and throw in the 420 code. I haven't gone back. Scanned it again to see what the flashing misfire is, but at high RPM that's a usually spark. The guy did replace all the fuel lines and brake line so I'm going to see if there's any kinks in the lines. But if it was a kink in the line or a fuel pump you would think it would be a more of a bog not a miss and it runs great everywhere except for full throttle. I thought it was my transmission slipping at first. Now I realize it's my motor missing and not pulling... Not being the transmission is great in my opinion. Saves me money. I'm short, whatever is wrong with it. Can't be more than a transmission. Hopefully it is just plugs and wires and that's throwing the 420 code but I'm not sure. Runs great until you try to rip it so I just drive like gramps right now
Thanks for sharing it 👍
I’m going to try right know fingers crossed update coming in soon
Even easier - just plug your Scan Tool into the OBD port and it will instantly identify which cylinder/plug/coil pack is mis-firing.
Kind of irrelevant considering most cars use coil on boot setup, swap a coil and a plug to different cylinders monitor misfire and see where it moved, if it didn't move do compression test, then leakdown test if low compression
ive done this it's kinda scary especially on a ford f350 v8 engine
The top of the coils are all packed with a gel if it's smooth it's not blown if it's all bubbly it's toast
Just did my spark plugs yay ! The ones I took out I guess had some stickiness to the threads . I’m guessing oil or just carbon ? Hope it’s not oil . 11 LE 2.5 L with 175 k miles . Unfortunately the tabs fell off the coil connections . And valve cover looked very dirty with caked on oil . I cleaned it off . The oil stains could’ve been from oil filling and they spilled it I guess . I’ve been checking oil level and it don’t seem to be going down
Happy Christmas 🎄
@1AAuto
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From Nick Ayivor from London England UK 🇬🇧 ⏰️ 19:47pm Good Evening
Thanks my brother 🙏 thank u😊
Tell me what's wrong with my 2005 silverado 6.0
New coils plugs wires injectors MAF sensor throttle position sensor and knock sensors.
Multiple misfire code p0400. I can't figure it out. 😕
good way to check for exhaust leaks as well
or u can just open the hood start the car at night my uncle old school mechanic told me to do that every now and then I should of payed more attention I would of learned so much from him
Why does it have to be soapy water? Wouldn't regular water still make it spark?
Man that's a good one i only use that method for air and gas 🤔
You can also take your car to a dark garage and watch for sparks near and around the spark plug wires
Coil packs, a bad lifter also causes a misfire.
Thanks for ideea and easy verification
Nice but this can be newer auto only
Because old auto SP wires don’t sale individual need to be buying set so not need to be finding it out
But this is helping DIY knowledge 😊
I have a 2017 Nissan Rogue Sport SV AWD, is the ignition coils the same as spark plug wires?
What if the manifold was at the back of the engine, where will you place the spark plugs wire?
What an awesome tip. Thanks so much!!
Why not use a timing light on each plugwire
wowwwww thank you so much sir for this tip..
Will an O2 sensor cause a misfire on a hot restart? It seems to run the worst on a hot restart.
Use gasoline and forget about it
Wow I like that I would pull one wire off at a time to check for miss fire Now of course this was 50 years ago but I enjoyed it very much thank you
Just put your hand on the battery ground and start grabbing wires
You’ll find it.
And you’ll be sure.
There will be no doubt😊
Did this after seeing this vid, 100% worked...shorting from lead to rocker cover.
I like it but try doing that in the fukn bat cave (Aero1star engine ' compartment '). Maybe after removing wheels and looking through wells.
Isn't this dangerous when I have to unplug electric adapter to put spark plugs in orignition coil?
Cool
Could b other ones as well
Cant do this on a jeep you have disconnect all sorts of things before you get to the plugs
you taught me something
I have a 2007 Dodge Nitro. Spark plugs haven't been changed since the vehicle was purchased about 7 years ago....😮
Just a few dasy ago the check enginevlight came on & at the same time the vehicle shook & then it went back to normal.
Now the check engine light is off again..... I can't see the spark plugs when i look under the hood.... Location anyone...??😮
I saw a spark at the bottom of that Wire !
Was it the wire or the plug?
Is that safe to do
Coolest thing 😎 ever 😎😎 thanks
Im sharing this
Cables not sealed
Why soapy water and not just water and probably better with the light out.huh
What's a spark plug wire?
Nice trick !
I'm TTry TTHATT 🤣🤣🤣🤣
What brand soup😅😅😅
How about to check coil pack ?? I do have a diagnostic handheld machine but would like to know any tricks like that ? Thx . Learn something new everyday ! Thx . 🫵🏻🤘🤘👊🏼👍
Can’t you hook a code reader to the car
Well duh… Spray the others and you’ll probably find a misfire there too. Anyone who’s ever took their car to a quarter car wash and steamed off their motor has heard them miss terribly until they dry up. Just saying.
So it is sparkling to metal then why aren’t you guys getting shocked?
Basic electric. Spark will find shortest route to ground.
On a Cadillac??!!!
Good look,a lot of folks will say I knew that,but they will ask u for advice
You learn something everyday
💪💪💪💪
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Cheap code reader takes care of that
You guys are messing around
DTC will only tell the misfire.
All related components need checked.
👍
Wooaaau
✍️💯👍
متشکرم
Can I do that on a 2017 jeep grand Cherokee