FOXBODY Tune Up GONE WRONG // DEAD Cylinder Diagnosis
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- Опубликовано: 25 июл 2023
- FOXBODY Tune Up GONE WRONG // DEAD Cylinder Diagnosis
I try to do a simple tuneup on my daughters 86 GT and hit some snags.
Playlist: • My Daughters 86
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I realized I never got footage of the actual test that showed the cylinder that wasn't firing. Here's a quick summary. Matt used a test light to touch each spark plug wire while the engine was running at the distributor cap and you could hear the engine start to die on power. When removing the test light from that particular plug wire it started running normal again. This worked on all but cylinder number 4 as that was the "dead miss" aka not running cylinder. Maybe we'll be able to get this on video in the future.
Electric cut outs and you can tell if she mad…. 😇😡 that and if she just starts pepper spraying everyone…..🥳
And you probably should unbend the heater core hose at stopping the flow
That 86 also had the carburetor Bonnet stamp in the insulation in the hood but came with a fuel injected plenum
For you guys trying to locate a miss. Take a squirt bottle with a non flammable liquid. Let the vehicle run for a minute then squirt the headers. The cylinders that are firing will evaporate quickly. The cylinder that is t firing will stay wet longer. Quick easy way to narrow the cylinder.
If you suspect an injector, remove the suspect injector and swap it with one of the others. If the miss follows the injector, you know it’s the injector.
Thanks for adding that Mike. I realized we didn't catch the exact procedure we used on video, so I just dropped a comment on the test we did as well. Good to hear from you and thanks for watching.
Crazy thing is I needed a video exactly like this for my issue I came back to my project car 😅😅
Nice! Glad it helped.
That was really involved, at least you got it fixed.
Fure sure and thanks buddy
Tune ups are always fun!! Especially when you have to pull the engine all apart!😵💫😵💫 Glad you got it straightened all out. As for Nemisis….. not all projects have timeframes!!! Slow and steady bud. Oh and loves my bloopers!!😉😉😂🤣👊🏻👊🏻
You got that right! and thanks Joe I do my best on the Bloopers buddy LOL
Good to see the miss is fixed and one step closer guys !
We're getting there buddy!
While the upper intake was off, could have checked the torque of the lower intake to head bolts. Over time the intake gasket compresses so the bolts loose their torque.
Great point, we did this but I forgot to mention it in the video.
Great video Matt!! Her car is coming together well! 💯👊🏾
Thanks buddy. I think so too!
Love this car Matt it's awesome your daughter's got a great first car and one great dad for helping her out with it! 💯 When I first bought shifty she sat for about 7 years and did quite a bit to her as well and finally now have everything in order except the rear-end rebuild LOL
Thanks, she's been loving it! Yeah they take time for sure to get going but worth it in the end. Always the rear end rebuilds I feel like they plague us lol
Good video Matt. Hopefully you get the list shortened by the first day of school. I had a red 86 and it’s the only car I regret selling. ( Typical comment from a fox body guy)
My brother had a black 85 T-top and he regrets selling his as well. But at least we have the memories 👍😎👍
Thanks and we'll always have the memories right! I think you're right and that most of us have a story like that.
LOVE the young lady’s new ride, you just can’t beat a straight, clean 86. Lower it, makers Cobra wheels, tint the windows, and ride. Sometimes simple is good, it’s the smallest things that turns it from a car, into a hot ass ride… keep up the great videos, and congrats to your young lady with her hot machine…
Thanks, she loves it.
Thanks for all you do Matt!!
Brian you are RELENTLESSLY kind. It means a lot. Thank you!
Good to see you back at it!
Trying to get her going
Great work! Thanks for sharing the footage..👍
Thanks for watching!
Good job Matt very informative fox body love
Appreciate it!
Great video Matt!! I would have replaced the injectors from the beginning!! Nice few shots of the covered mustang in the back ground!! 😂
thanks Frank, I should have, I keep forgetting that is yours! lol
Always good to change the cap & rotor, wires, spark plugs, you were pretty much due anyway, as far as injectors, i repair diesel injectors, they are a different animal, but
we used to ultasonic clean gas injectors, don't anymore , it's was a dying process, the 80's & 90's gas injectors had mixed results, and new gas injectors, you didn't see
failing injectors. Yes replacing injectors was the way to go, and always better to replace as a set, for best results.
Definitely Paul and thanks for the info about the injectors, I should have just replaced them from the beginning. Thanks for watching as always.
Great informative video as always!
Glad you liked it!
I wanted to buy that car so bad. I've been looking for the perfect 86 but only found a basketcase. The only advantage for me is it's a ttop and completely rust free. Was originally porno red with grey exterior but is not Black. I named it Mr.T and will have subtle things around it as a tribute to Mr.T. I gope ot looks as good as what's in my head.
Mr T. I LOVE it!
Thanks for letting us follow along, cars coming along nice.
Thank you for watching.
Matt, at times, thinking about getting out of the Mustang ownership,then it gets fixed .
It's good to have Doc Fox as a friend.
I'm very lucky Robert! And hang in the game buddy
The ac part is “ac low pressure cutoff switch”. Try to get the best quality you can find if Motorcraft is not available.
I tried one motorcraft in the first 3 and it failed, but the 4th one that is working now is a motorcraft so hopefully we're good.
Now she wants a cam for her birthday :)
lol, I know I would 😉
You should have replaced the act sensor while you were there. 😬 I’m in the process of doing that to see if the cold start misfire stops. 🤞🏼
Ah, always something, guess I'll have to go back to that one. Thanks man.
Great vid ! Wealth of info
Glad you enjoyed it!
Good work chasing down the problems! Like others have said, it’s probably better to go into with all new parts from the beginning. 😎
Very true!
Awesome video MATT. Thanks for sharing. Keep the content coming. Hope you have an incredible night. Tell Tiff hello. Much love and RESPECT
Tim! Thank you buddy.
Nice work ❤
Thanks
That's a really nice car, she's a lucky girl. I'm in the process of looking for a car for my daughter. She's gonna be a senior too, but I don't think a Fox is gonna be it, budget is around $5000 and it's hard to find a decent one at that price anymore. But she has to lower Halo, has to, and tint the windows, lol
I hope you find one! And yeah, I"m on Kristen about those things too, but we'll see what she ends up doing LOL
I had a 86 four eye. It was my first v8 Mustang. Miss that car
Hey buddy! I see you still out there grinding and I am IMPRESSED sir! I wish you still had it too, lol. I don't know if you have any connections for Mustang Week, but I'm looking for a vendor or show spot if you know of any. If not no worries. Thanks Walt.
@@GearHead704 i’m too small time to have any connections. Lol
Hi, From Chris from Vermont
Hey Chris, always good to see you in the comments!
You know your a fox mustang guy when you kiss the new part going in cause you can’t wait to fix it and start driving it again cause …they are so fun to drive👍🏻👍🏻
LOL, that's a good and true point!
The OBD tool I have has a cylinder balance
procedure, that would have shown which cylinder was not firing?
Interesting. I"m not sure. I'll try and remember to ask Matt.
Had no idea Zach Galifianakis was a intense fox body wizard.
lol, Matt does kind of look like that.
Don't forget the fuel filter. Matt
Good point. I forgot to mention that it actually had been replaced along with the tank.
Pull all the injectors and clean them with wd/40 ,air pressure and a 9v battery after you check how clean the fuel tank is + look for pin holes in the fuel line bend around the frame rail front passenger side . Just saying from my own experience .
Thanks, we did check fuel tank and fuel rails off camera (looked ok), and tried cleaning the injectors but no luck unfortunately. Good tips though for sure.
I my opinion i think the four eyed mustang were the nicest of the fox body.
I've really grown to like them
That’s a nifty device for cleaning injectors, your daughters fox going to be ready for Foxtober fest?
Yes I think so, I think I'll have it on the road by August but we'll see.
You should change the name of your channel from Gearhead704 to Knothead704 😂
LMAO, I love this idea!
Was that a damn subaru hat he had on 😅😅
lol yup, he loves his Subaru's hahahahah
You summoned me?? 😂 - I am always wearing a subie beanie even during the summer. WRXs for the win!
@@deadriseful I like it 😁!
If you take em out replace em. Avoid the other 7 failing
Yeah I ended up replacing all of them.
How much does a fox body usually go for in that shape and mileage?
I would guess 12k to 16k. I paid 14.5k
Notice your truck in the background, any news on it?
It's a sad state of affairs. Have some plans for it over the next couple of months, hope to have an update soon.
How restrictive are those 86 heads?
More than the 87-93 which also aren't great
Pretty small e7
Are you not doing many videos nowadays? Always enjoy your content.
I stopped for a while, but have been back pretty consistently since May last year. Thanks for the support. I really appreciate it.