Chevy / GMC Truck - Running Lean P0171 & P0174
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- Опубліковано 4 жов 2024
- In this video I have a look at a 2008 Chevrolet Silverado 1500 5.3 that came in with codes P0171 and P0174 indicating that the engine is running lean. It doesn't take to long to find the problem and come up with a temporary fix.
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Due to factors beyond the control of South Main Auto Repair, it cannot guarantee against unauthorized modifications of this information, or improper use of this information. South Main Auto Repair assumes no liability for property damage or injury incurred as a result of any of the information contained in this video. South Main Auto Repair recommends safe practices when working with power tools, automotive lifts, lifting tools, jack stands, electrical equipment, blunt instruments, chemicals, lubricants, or any other tools or equipment seen or implied in this video. Due to factors beyond the control of South Main Auto Repair, no information contained in this video shall create any express or implied warranty or guarantee of any particular result. Any injury, damage or loss that may result from improper use of these tools, equipment, or the information contained
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Hello Mr. O would you recommend the Autel mx808 for amateur use?
Got Dan That much for a Smoker! I need to get one
zip ties and a soldering iron
@@ztaples MX808 is definitely fine for beginners, but its just a fancy scanner. NO Bi directional actuation tests..etc.
That Bosch scanner any good?
I love that we live in a world where this info is free and you can make a good living giving it to us, I learn so much
21:38 -- "It's only "temporary" unless it works."
That law applies to every "temporary" repair that's ever been made.
fix is a fix ;)
A semi permanent repair! 😀
Why do i think about duct tape? 😁
@@Gardsfix duct tape is a cure for every leak ;)
Just remember when duct tape fails.........there is rescue tape. Seriously, google if you haven't seen it. Always keep a few rolls stashed in the trucks and shop.
This is scary. When you saw the disconnected outflow tube and pointed out the aftermarket intake, I thought...half joking to myself...."drill a hole in that puppy and put the hose there...." And that's what you did!! I'm a computer nerd learning auto repair. Awesome. Thanks so much for these videos, Eric!
You are funny Eric! I love the the line “The MONEY LIGHT is on.” Not too many would appreciate it, I think it’s absolutely hilarious!
You are not wrong. You’re videos are informative but as I hope everyone realizes that every situation is different by design. Geography, driving conditions, drivers mood at the time driving the vehicle at all times, and the the DIYers ability to use your tools.
It’s obvious that your knowledge comes from years of experience, however the tools is something you’ve built up over all those years. Technology has changed the combustion motor as I knew it growing up born in 1966. Most of the videos I have seen from SMA utilizes all of these great tools you have to diagnose, which almost always winds up not being something I can diagnose myself. I’d like to have your tools but that is not happening in my lifetime. I am forced to to take it to someone with the tools you may or may not use, but one thing is for sure. I go in with knowledge that I didn’t have before watching you do what you do so very well. Whether or not it helps me when dealing with a professional wrench turner or in fact makes it worse because I’m suggesting things to him that he really doesn’t want to hear. I don’t know for sure, but I do know that I’m not paying for parts and labor on stuff that I know the vehicle did not need. The mechanic who just throws parts at a vehicle to see if it fixes the problem should have his ability to do repairs on vehicles for money revoked permanently. Geography plays a role for the obvious reasons. With you in New York and me in Southern California, the stuff you spend time on like removing almost all under carriage components that are rust engulfed, takes me no time at all because that’s not an issue here in my region.
Driver mood is important because you either have a car that was driven all its life by a little old lady who went to doctors appoints and bingo less than 7miles from her home and never going over 40mph, or a younger to middle age person who has to be in lead foot mode all the time who has driven all over hell and back. If I’m buying a used car I prefer the former rather than the latter.
I’m enjoying your videos and it is informative whether I do the repairs or not.
Thanks, it’s much appreciated!
I've listened to a lot of Techs on this sight, but none as smart as this guy. He not only talks a good show .... but he backs it up with substance. Thanks Mr. Obrochta for sharing this video .
I couldn't agree more! I love these videos!
He's worth a million
two quick tip tuesday..... #1 MAF numbers close to to size of engine .....#2 dont erase codes after fix with fuel trim in mind .... great tips
Mr Eric O., I'm in my 60s and wish I had someone like you near me to repair my vehicles. I enjoy your channel very much thanks for sharing all your knowledge. you're a class act.
I always learn from your videos, you are one hell of a diagnostician.
My favorite local automotive machine shop has a huge sign saying "Stock is Not a Dirty Word". I agree completely. My ten year old truck is still completely stock and runs as designed...... I intentionally avoid aftermarket stuff. As far as the PCV tube is concerned, I would have tried to source a rubber grommet that fit the elbow and drilled the intake to match the OD. OEM uses this arrangement frequently. Thanks for another great video!
"Smoking like a freight train".. Been many years ago I heard that one. Best channel to hear all the old sayings.
I used to have quite a collection of "Cold air intakes" i removed to fix customer's problems. Thanks Eric!
I found this interesting.... good direction from the door. You handled it flawlessly, minus the hiccup with the adhesive. Never cease to amaze me Eric!
Another option to avoid the gooey mess and aesthetics would be to drill appropriate hole (probably 3/4" or so) and install rubber grommet to receive spigot, pretty much how most pvc's sit on valve covers. Yours is still an innovative solution, nice work.
That's what i did with mine. A PCV valve grommit and an elbow
I have been a.backyard mechanic for years. I have been trying my best to learn about the newer vehicles. I can say your are a very good teacher and mechanic. Thank so much for these videos. I have learned so much.
Classic! "It's only temporary unless it works." Sooooo true!
Modern two part epoxies, millions of uses. Flawless diagnosis... Great job Eric!!
"It's only temporary, unless it works." I'm stealing that!
This goes to show how integrated seemingly simple things are on newer vehicles. A Vacuum leak at an improperly installed quick disconnect fitting, and an air source to the engine PCV System not feeding from the MAF, for "unaccountable air". Brilliant diagnosis. By the looks of the dirt on that 3/8" hose, it has been that way for a while. I was a bit surprised to see how quickly and predictably it corrected and re-learned the new values..... REALLY good lesson in Fuel Trims. The ONLY suggestion, I would have drilled out the hole a little larger with a step bit and installed a plastic or rubber gromet, then a little rubber grease and push in the elbow. That way it will self align and not be prone to cracking. That can still be done if there is a problem in the future. GOOD FIX. I too shudder at the suggestion of "Cold Air Intake" and other aftermarket junk that people spend good money on... only to create problems. The OEM's spend a lot of time and money to design things like induction systems that are functional, quiet, dependable, and as efficient as they can be for the overall vehicle. The "Gains" to be made from aftermarket systems are quite often narrowly focused and marginal at best, without all the engineering of the OEM's. Those trucks already have a Cold Air Intake from the Fender installed from the factory even though it may not look like it, and the weird looking Induction Tube is also an induction silencer. Some people just have to have that "Throaty Sucking Sound" at WOT!
"Aftermarket Junk", LoL!!! You said it best. GM knows that folks need to customize their pickups, so they created a factory "cold air" intake that could be ordered from the dealer from their High Performance division. It works great and helped me squeeze an extra 3hp out of that same 5.3L Vortec. Great video.
"it's only temporary unless it works"......i love that!!
I was wondering which leak was the fix until you said air "not accounted for". Now I understand that both areas serviced attributed to the fix. Thanks Eric, very thorough!
Seal the crank case. These PCMs don't miss a trick. V dubs are really high on this. I love fuel trims for this. Aftermarket K&N kits. They work when installed correctly. The concept of "false air". Good stuff, Eric.
You sir, are a pro. I wish I had a tech like you in my area. We're stuck with part changers over here.
SWEEET 👍 👍, high temp red silicone... Stuff sticks to anything. And its nice and bright. Lets people know you've been,there 👍
Pays to know how the pvc system works. Quite obviously the guy that cut the hose to the fresh air intake and MAF didn’t know what he was doing. I’m sure this guy watched your video to see how you fixed the problem. Good diagnosis. Nice repair Eric
I sure wish you lived closer to me cuz you sure in the hell would be my mechanic 😂
Mine too
If I lived near him, he would have about 15 more videos about Silverado repairs 😂😂😂😂
I am no mechanic, but enjoy learning and doing my own repairs on my '08. I have almost the identical problem with mine. And a huge thanks to your explanation of what all was happening with the lean fuel trim code, I know mine is a vacuum leak as well. Thanks so much!!
In the Star Trek universe you'd be Montgomery O.
Kirk pushes the button on his chair..."Mr. O, how long before we have warp engines back on line ?"
"I'm sorry captain, it says 24 hour cure on the box." :o)
You appear to be the mechanic that mechanics go to
In tech school right now, and I just wanted to say thank you for this video! It has helped me!
Excellent repair! It amazes me that so much work comes from other shops.
You are a true professional! I’m glad people like you make videos that actually helps people ! Thank you for your lecture
Good morning, Mr. O. Very well explained. Thanks for sharing. The only gain from that "cold air intake" was a bill from SMA! 😂
you same El Cheapo from MotorStorm
@@punktalley No, never heard of it.
I always appreciate how you always track down the source of the problem, and not just correct the symptom. Unlike a doctor who gives you a prescription for pain instead of locating the reason for the pain. Looks like the problem was the vac hose leak at the rear of the engine. Couple tips- a step drill works excellent for plastic and soft metals. And Hardman makes an epoxy/adhesive kit that has single use epoxy packets for many different kinds of materials. Indispensable in your field. Thanks for the video.
I use a soda can upside down to mix JB Weld... it's dished and makes it easy to mix.
Good tip, thanks!
But won't the soda pour out?
@@JD-iu3vi Not if you're pro
slick trick! thanks!
I mix mine in the bottom of a beer can while simultaneously shotgunning the beer.
When you have 25000 people whach ingredients you in less then a day I tell you Eric you are the superstar of mechanics.great job I am glad you take time to record for us.
Omg... if I had a dollar for every LS that has had that line off (even on the factory airduct), I'd have a few hundred dollars! So glad I dont have to do this kind of stuff anymore! I'll just watch you to keep fresh on the aftermarket fixings! Awesome job as usual!
Thankyou so much for the explanation at the end which summarizes the "why" factor. Learning how these systems work and the thinking process to come to your determination is highly valued by myself.
Cheers
Doug
You wanted JB Weld Kwik- that's the 5 minute epoxy. I use it a lot, like it.
It's nice to see even the pros have to over come and adapt just like us diy type guys do!!!!
As always, great approach. The folks in that area are lucky to have your skills to call on. Thanks for the video.
I can see the value of having a smoke machine. In the world of DIY I guess we could have used the Paul Danner method of squirting water over everything. But that tube was a dead giveaway. Since watching your videos I have removed aftermarket items on my truck. One less "variable". Great video as usual Eric.
Like your channel intro!
We use to use WD40 to find vacuum leaks. But I’m old school
Throttle body cleaner works great aswell :)
I made my own smoke machine. I used a .30 caliber ammo can and drilled 2 holes in the side. I hooked a 12 volt tire inflator up to one hole and a hose to the other hole so when you turn on the inflator it will blow through the ammo can and out the plain hose. To make smoke I put a peice of hot charcoal in the bottom of the can and sprinkle a little shredded paper on the hot charcoal. It really does a good job for under $20 total.
You can use a hand bike pump too for more air, or you can just blow in one hose and smoke will come out the other if you want to do it real cheap lol.
I use grommets when doing conversions like this. Your work is spot on thank you for your time.
So appreciate your post fix explanation of manifold vacuum versus fuel delivery. Great trouble shoot tip. Keep doing what you do.
Eric, if you want to rule out the intake skewing the MAF, a vacuum leak between the MAF and the Throttle body or even the MAF itself, just unplug the MAF to put it in speed density mode. Also, if you want to recommend a quality aftermarket intake to your customers that wont throw off the MAF cal, S&B and Air raid will do the trick.
Great fix, Mr. O! Epoxy compatibility to substrate is an art in itself.....
Just wanna say, this is the best auto repair channel out there by far ! learned so much in the short time i've subbed ! This video teaches us that there are plenty of crap mechanics out there and some amazing ones !
I second that! Scanner Danner rocks too, but he doesn't put his best stuff on YT anymore.
Plenty of crap ones! Learning is ok and we all have to start out, but there's a difference between learning and crap. Crap mechanics would have just thrown a new air filter, fuel filter, plugs and wires on it, reset the codes and charged the customer. A real tech looks at the whole system. So many people get fed up thinking their older vehicle is un-fixable because they can't get real repairs done.
@@fascistpedant758 Yeah I'm no mechanic, but i would like to think that any mechanic and the fact that the owner being a 'mechanic' would at least look at the fuel trims, and know that hey i probably have a vacuum leak, and from there find out where the leak was coming from. It really didn't seem that Eric'O had to do anything more than what I would think would be normal procedure, as in, smoke test and sniff around the obvious places to look. Eric'O is on the ball ! I'd like to find a mechanic like him down here where i live in FL. I'm very happy cos i've been recently fixing my moms minivan and she has a long term fuel trim of positive 9%, but when i rev the engine a little it goes down... Bit like what was going on here, but to a lesser extent. So really grateful for these videos to see how an experienced mechanic thinks at times like this. Eric does a great job of sharing his thought pattern, and that really helps us who are trying to absorb and learn. Took yrs to learn his trade, and there he is sharing it for all of us learners. Decent fella !
That's gotta make you feel good, diagnosing an issue that another shop couldn't figure out. Thanks for taking us along!
So, finding vacuum leaks is all smoke & mirrors? lol
Nah, it's smoke and mirror, singular. ;-)
Yep. This is one time that smoke escaping can be a good thing. Now if it were electronics......
Electronics are heavily dependent upon a small quantity of magic smoke trapped inside by the manufacturer. Let the magic smoke out and that device will never work again.
Yeah, ya gotta "blow smoke..."😉
good answer you sir are on your tows
“Aftermarket Garbage” Agree 1,000%! 👍🏽
It is great you are teaching and old 61year old dog new tricks thank you.
Another great video. Shows how important fuel trim data is to know. Shame that guys get their hands in these vehicles and throw aftermarket parts in there without knowing the basic operation of the system. I get this stuff a lot.
I installed a K&N cold air intake on 07 5.3 silverado a long time ago, fortunately it came with the pipe for the breather. Never had a lean code on that truck when I had it.
My favorite video so far. Excellent explanation of fuel trims
I would use a brass street fitting when I'm tapping into a plastic pipe like that. The tapered threads make their own threads and a good strong seal in the plastic. For makeshift plastic welding hold a large punch, or cold chisel with vice grips and heat it with a torch. Garbage can lids are a good source for donor plastic. Use the punch like a soldering iron and butter on the plastic.
Gotta love the hot air intakes. Genius marketing, they just call it cold air instead, then watch em line up
you have officially attained master of your trade status.....
Wish you were closer, would bring my vehicle to you for sure. So many bad experiences from places with people with bad attitudes and approaches. Even if it was stuff I could do, rather throw labor money at a good person than it be taken by sharks with no respect for the customer or the vehicles. Could throw a rant and specifics out, but its all been said before by others in various ways.
Good people like you restore our faith we might find a reputable mechanic for ourselves one day for those jobs we can't do ourselves. Thank you for the videos and sharing them with us.
I thought about a “Cold Air Kit “ for my 94 Caprice 5.7 because everyone said I need one then I actually looked at the air box on one of my buddies and realized it was open to the hot under hood air then I looked at my stock intake which pulls air from the nice cool inner fender, hmmmmm think I’ll save myself a few bucks and leave it alone. I did take the home plate off though and polished the intake plenum
The shiny intake probably increases power more than the cold air intake would have.
Cold air intakes usually just make a bunch of extra noise, so the consumer thinks they are making more power. LoL! You made a wise decision!
It pulls cold air from the duct behind the bumper
Awesome....……………….. I'm 71, retired HDR/W operating engineer / union mechanic / hydraulics pretty much everything was
mechanical in one way or an other, dc solenoid, Caterpillar, back in my day, and a host of other kinds of machinery...….
45 years in it, and a few toys along the way. I own a 2015 1500 4x / Silverado 3.5 pretty much has it all for it's period.
Little by little I'm learning what is what, no doubt takes a lot more tooling in ways I never had to chase out the demons.
awesome, Battery died today, to late to go & buy an other, tomorrow, also two days ago I started getting a trailer brake
service required. may be may be not, the battery craping out was effecting the module ? much thanks for sharing your
talents / skills with us. I know zero about most of what makes up the truck...………………..
Go to the Pick-n-Pull, get the OEM intake. Lay that Greene pipe on the front seat.
I've done that to customers on "warranty" repairs well except they were new Ford parts and a nice bill
Thank you for being nice o that poor kid....
@@jeremyhanna3852 take that off, I take the car elsewhere, didn't order that.... and you can explain to your boss why you have ordered an intake that the customer probably had somewhere at home, and of course pay for it yourself, if it doesn't go
the customer can do that themselves, without even picking and pulling, cause they have it somewhere. He wanted to fix the problem with the setup, not you dictating him your preferences. That's just jerk attitude. Did you watch the video? That's how work is done.
@@dushk0 I'd only pay the diagnostic fee, and nothing else.
If I were the mechanic, I'd make it work as the customer set it up, aftermarket and all.
Great job eric , nice when the dealership brings the easy ones to you . Makes me nervous this shop could not handle it ! The power of visual observation. The brain is a great tool to employee when others can not figure it out ! Proves the rule of life : "You can never just do one thing".
Awesome job again Eric!!!! Best repair videos on UA-cam!!!!
5 seconds into freeze frame data - "MAF is underreporting." We haven't had a good lean code video in a while. Thanks Dr. O!
Sometimes the Snap-on guy needs the Astro guy to fix their truck .
Been there, done that, mostly backyard repairs. LOL 😂
And basic Harbor Freight/Craftsman/ATD tool sets.
And a Launch scanner. 👌
In California and many states, disconnecting that PVC hose is a big time violation and fine. JB is epoxy and also comes in a five minute variety. Thanks for helping us all breath a little cleaner air.
Everything is a violation in California.
I remember when I was young and thought the possible 1/2 horsepower gain and all that extra noise was worth it.
I just wanted to let you know that I've been learning a lot with your videos
Thanks
Love wacthing him work. Admire you Eric!
Thank you for the teaching component! I have been watching trims but never thought about Erving to identify vacuum as the issue. I love your videos!
Love the live diagnosis; you said you should have looked at FTP sensor but you didn’t. I feels like I learned with ya! Thinking out loud as you work really helps me out.
Would have loved to see ya chuck that puddle sucker into a snow bank lol
You and old Smokey got it figured out,good job as usual brother Eric,your the man bro.Hope all is well with the wife and kids,God bless buddy.
Excellent. I was thinking a rubber grommet for the fitting.
So nice to see you fix a problem, and show the proof of the fix. Smoke machine was a great testing tool on this one! Pretty cool! Thanks again Eric.
Great video Eric O.
I've always thought those aftermarket air intakes cause so many problems, the OEM ones are the best.
I don't have a smoke machine, I remember my dad teaching me how to find vacuum leaks by using a long piece of hose on my ear and run the other end of the hose all around under the hood (bonnet here is Australia) until you hear the hiss.
One thing I do to limit drill travel is slide a piece of hose over the drill to act as a stop.
Tape.
good idea ,I will use that one! I should have thought of that one 50 yrs ago Jim That is a great idea! thank you
Hello; unless one has a 1200 dollar interface computer to access the engine and the learned training, It makes somewhat confusing for most of use who hate to get a trucking for the average dealer. Nice to see your back to explain the process and how it was reached. Thank Eric !!
The guy has a big "Snap-On" sticker in the back window. So apparently he likes the image of being able to fix vehicles more than in practice:
"Look at me, I'm so high dollar that I like overpriced tools, yet I can't see this vacuum hose dangling in the breeze."
Dnt hate
It's a high priced Technician. You pay for his Strap-on tools. Only to send it to Mr. O😅
universal testing methods should be learned by all techs and this is a prime example, problem is main dealers teach techs how to follow their own software for diagnostic direction without really knowing how the system works and then the fix without knowing why. nice video and satisfying to see , I was following the data pids and thinking the same way you went on collecting the evidence to finger the vacum leak (not literally). nice work
JB-Weld is great stuff, tons of uses.
Except it takes a week to fully cure.
Eric O: Great fix as usual, you never seize to amaze me. I've used and found JB WELD to be a great fix over many decades. The one you used is the older type requiring a longer cure time. Use a heat gun or similar tool to heat up the epoxy which will speed up the curing time. I've used this trick many times over a few decades with great results. The 5min "QUICK SET" is the best one to use especially in colder weather which I now use. Hope this helps and have a great God blessed day.
If it is applied correctly. Rough sand the application area and degrease then apply epoxy.
I stack peso’s with JB weld. #weldporn
The JB QUIK weld is 10 minutes.
Very useful info I just picked up a 99 GMC sierra 1500 with a cold air pipe and some kind of wanna be K & n filter in N.Carolina last weekend it also has stainless headers and 3 inch exhaust all the way back and you got it Lean codes 10 miles into my 750 mile ride back to Cleveland and there is no inlet for the air in on the aftermarket junk so I got something to look at this morning the truck is a 99 with 5.3 and no rust I pressure washed the red mud off the bottom and the floor pans still shine on a 21-year-old truck unlike my 5 year old express that has never left the rust belt and the spare tire gizmo got packed with grease after it dried out and still works Keep the videos coming they do help and I am no auto mechanic but I am a refrigeration service man that watches your channel Thank you if you can do i can watch then complete also I am lost on fuel trim nut Im learning kinda like fixing a Japanese Ice maker that wont drop for me no problem maybe i should start a chanel LOL Harley Jim
"I just installed an aftermarket intake and now my check engine light is on. I can't figure out the problem!!" Must be one hell of a mechanic.
No wonder Chrysler vehicles break down.
Cut tubes and not connect them. Leave the connection at the back of the intake loose. Yup..a super mechanic.
Windshield urathane. That's about the only thing we have found that bonds to that type of plastic. I'm not big into after market intake setups they cause a lot of issues up here and never seem to work correctly. I think your fix is fine throw some paint on it and it will look like it was made that way. Grest break down on trims and related. Thanks for bringing us along.
There's your problem LADY 😜
All the jiggly bits fell out.
One fitting to think about when punching holes through plastic is the externally threaded metal Schrader valves normally use on wheel rims with tubeless tires. Although they are small, they will go through thin plastic and provide a sealed branch for vacuum lines. You can also manifold two together and use rubber vacuum line and tees to increase the overall flow when called for.
Isn’t that kind of embarrassing? Owner works at a dealership yet can’t figure this out 🤷🏻♂️
That's what I keep thinking , from start too finish....
It takes courage to leave it over and don't throw parts at it. He left it to "the man". 😃
My thoughts exactly
Maybe he's new to the field and still learning.
There are plenty of dealer techs who are experts in their vehicle line they work on and unfamiliar with a different manufacturer. Seems like every manufacturer does things vastly different nowadays. Also chrysler products changed for the worse after fiat took over. I started out working for ford nearly 20 years ago, and was clueless when it came to other brands. But since then, I have worked at different independent shops and have become proficient with most american and Asian brands.
So the dealer couldn't figure it out. You are definitely a master at what you do. I hope that you are teaching your skills to someone else.
In hind sight, a tire valve stem with the core removed should of worked without the sealant.
I thought the same thing
SżeaxxdxsGtsdersdetsdeMr. Cook assassin
I used a rubber grommet last time I did one, it allows the 90 degree fitting to get the grip it needs. As for Fuel Trims, most aftermarket tuners are aiming for +/- 4%.
Hindsight is 20/20 but I probably would have used a grommet in the hole you drilled to fit the elbow in snug without epoxy or JB weld. I could be out to lunch though...
Thats what I was going to suggest. Even if the rubber deteriorates and falls into the intake the rubber is not going to cause any damage.
Most aftermarket intakes that don’t have a permanent nipple for the pcv use a grommet and rely on a snug fit.
@@CStockner you don't need a permanent nipple to use a grommet.
Suggestion: instead of saying "fuel trims look good" try to offer objective quantified observations that identify what is "in range" or "ideal" so that the people don't have to try to figure out what you mean by "good"
I think you explained what you meant by "good" in the video a couple of times but the lesson was almost in passing rather than central to the messaging.
These are truly terrific videos that you put together! Thank you. I wish I could find a job and send you appreciation dollars
Could have sworn Eric said fuel trim needs to be less than 10, but he uses 8 as a guideline. He also said most cars run near zero fuel trim. Or, am I watching the "Premium Channel."
@@MistrMyke No he did explain that mid-video (more than once, as I commented above), but in the summary at the end, Eric just says it needs to be good rather than qualifying what "good" or "in range" is during the summary for improved clarity.
I'm identifying an area for improvement and specifically how to improve.
@@MistrMyke you sir are correct that's what happens when u double tap the right side and skip 10sec.
All you needed was a NPT barbed fitting and some thread sealant and a NPT tap and that would be a permanent fix. I'm optimistic for the plastic weld being permanent too.
Try heating a metal fitting enough to melt the plastic instead of tapping. It will seal and bond strongly.
I would have skipped threading and used the plastic forming with the fitting to seal the hole.
I would have done something similar to what you did, but it has been my experience that JB weld, plastic, and vibration do not work together, especially when it gets cold, so I broke down and bought a plastic welder. Works pretty well most of the time. Thanks for the video!
Eric O: "I hate aftermarket garbage!" Buys Jeep and converts to fully aftermarket everything. It only sucks when you don't know its history.
You are very knowledgeable and wise at your trade. Thank you for doing what you do.
Wouldn't you think that a guy with a HUGE snap-on sticker in his rear window would be able to figure this out on his own?
Stickers are for sale. Talent is not as cheap.
@@jamesu like that chap.
That's exactly what I was thinking.
That just means he might know the difference between a ratchet socket and an open end wrench.
Snapon sales tools. There not mechanics
Thanks for videos like this got stuck on a 2009 Silverado and your video got me out of a jam found a vacuum leak on their after market air breather. Keep up the great videos.
Typically in my vast experience with Chevy truck engines (4.8, 5.3, 6.0, 6.2 etc.) Usually whenever I see a p0171 and 174 I immediately start thinking lower intake manifold gaskets. They had a problem where they wouldn't seal cold, and you'd never find it with a smoker because they have "mouse guard" foam in the ends of the intake and will just leak into the valley. Gm made several versions of intake gaskets to try to correct it, which are differentiated by the color of the rubber in the gasket. Orange was the first generation, then green and then blue and now they have metal ones with black rubber. There was a tsb on it that also had several updates. Typically but not always you'd see a p0300 as well if they leak badly enough. Also... typically you'd want to call the customer first and get his permission before taking a drill to his aftermarket intake... just saying.
That Plastic Weld works great and is very strong. I've used it mending broken Hinge Mounts on Laptops.