Ford EcoBoost Engines: Cold Start Misfire Diagnosis
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- เผยแพร่เมื่อ 2 มี.ค. 2021
- In this video we go after some hard to diagnose misfires on a Ford EcoBoost engine.
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WIFI Endoscope-
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Forscan is a free Ford Specific Diagnostic Software:
Download Here-
forscan.org/home.html
ELM 327 Adapter I Recommend-
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As an Amazon Associate I earn from qualifying purchases.
What would cause a load up affect when driving if i floor it from a stop the truck has power but at higher speeds 20+ my 2013 3.5 f150 is a dog it literally happened overnight. Idle sometimes is erratic and it tripped a p0016 twice.
I really need help on how to change a 2014 ford taurus alternator! Can't seem to figure out how to get it out. 3.5l duratec
@fordtechmakuloco does the forscan work on Lincoln vehicles??
motorcraft spark plugs are junk. Spark plugs are the issue not carbon.
Thanks for the video, great job! I like the bore scope. I bought a cheaper one off Amazon and gave it away, couldn't see anything. I bought a 300 dollar snapon and it's just a tick better. I'll give this a go.
You know you have a good channel, and are a great teacher/instructor when I don’t have a car or engine that has anything to do with this topic.....yet I watched all 30 minutes.
You, sir, have a gift !
I took a shot every time you said good to go and now I'm hammered off my ass
😂😂😂
Mike Litorus,
Every time I heard him say "Good to go" I was imagining someone else out there taking a shot. Thank you for being the designated drinker and sparing me the hangover.
I hope there will be a part-2 video.
yes!
@@FordTechMakuloco yes, definitely looking for a part 2.
Absolutely.
As an ST owner with 65k on the car I’m looking forward to the 2nd part of this!
Can't wait for part 2 🙂
I truly enjoy all of your videos. I recently just started working at my local ford dealership. Your videos have helped me immensely
When I bought my Fiesta ST, the first thing I did was install a catch can on it. It’s been 30k miles, no issues yet. I clean it when doing oil change, it’s always got junk in it.
Yup same here. Just picked up a used 2016 with 47k on the clock and gonna get the BG intake service done and then get a catch can kit bought to not worry about it afterwards. Did you get just the PCV kit or one with both CCV and PCV?
@@braedonfroid8164 I have the mishimoto pcv kit. I haven’t had any problems in almost 2 years of ownership.
@@pwrbyford68 okay awesome, that's the kit I've had my eye on as well and I wasn't too sure if a dual kit was really all that necessary. Thanks 🤙
I wouldnt do the bg induction service as there is a high likelihood it will reduce the long term catalytic converter efficiency. It's not a official ford motor company recomended service. It is a dealer retail service department upsale.
sir, your ford scanner is a blessing on top of your qualifications. Nobody have such data and equipment at their disposal. keep up the good work and the best of luck. all the aftermarket scanners are limited and time-consuming. thank you for your effort.
I just want to say, I’ve been watching your videos for several years now (5+) off an on and you give me know impression as to being anything other than a outstanding first rate ⭐️⭐️⭐️⭐️⭐️ auto mechanic. We’d all be lucky to have you work on our vehicles. Enjoyed this one and so many others. This video in particular isn’t relevant to anything I’ve got going on but you have helped me in the past. Your instruction is top notch!👍 Thank you, and keep it up!!
Speaking of trucks, I just picked up a 2018 F150 with the 3.5L ecoboost!
After following your videos on the 5.4L and changing out the Timing Chains, Phasers. Oil pump etc. it has been a ride.
Now I get to learn all about the 3.5!!! Thanks Brian!
Man, I love watching a master at work.
Brian's the best!
As a 2013 Focus ST owner with 87k miles I would definitely love to see you clean those valves lol ty
Video to long? That's like saying the job was done to well ! Thank you again for another automotive repair/diagnostic masterpiece
You have to admit, the task functions the scanner does saves time and aggravation, assuming they're accurate. Great info! Look forward to the conclusion video.Thanks.
Until
You learn the Ford scan tool....
Must be updated via internet every single Monday.
Or it will. Not. Work. Period.
Fantastic video can't wait to see the 2nd part. I had one of those cars in England for 4 years never missed a beat, fantastic to drive too. I really regret letting it go... I have a fiesta st mk8 now, good car but not as good as the focus.
BRIAN, AWESOME no way it is too long video it is a pleasure and enjoyable to learn from you always good information u share thankyou and cheeeers.
Awesome stuff! Thanks for taking the time to drop some free knowledge! Much appreciated 🙏
I love your videos and I love that you’re man enough to say you put an engine in and then found out after you did it the problem it’s happened to me a few times and people have been really harsh to me about it and I found out afterwards they did it I didn’t need a whole engine only needed this or that so keep doing your videos trust you a lot because you don’t hide your mistakes keep doing you
Thanks for the information. I was thinking the same thing but boss man wasn't convinced until I showed him this video. Thanks brother
educational video for us non truck Ford ecoboost owners. I hope you’ll upload more often videos of troubleshooting small ecoboost Fords and usage of IDS diagnostics system . This kind of information is rare on yt
Thanks
THIS is what I like about you! As I've mentioned a few times here, I'm a Retired Ford Tech and Driveability Specialist. Back in the 80's, we had to DIAGNOSE Problems! Pinout Checks, Breakout Boxes, and often lots of disassembly and inspection - before we actually got to the root cause.
(MUCH harder on EEC III and IV Vehicles!!!)😖
From what I've seen of Techs today - most of them operate by pure Procedure... Scan, work through the Manual (maybe), even something as archaic as pulling Coil Pack Plugs - to try to find misfires!
If they do find anything - "Could not replicate customer concern" on the Ticket - and off to the Writer!!! 😠 I've seen it from Friend's experiences.
WE WEREN'T ALLOWED to do that!
You actually WORK the problem, like we used to do. I really appreciate that integrity still exists!
Carmine ✈🚂🚙
I'm probably around your age but I worked on mostly GM I thought the GMs were a little easier to diagnose back in the 80s OBD1 because all you had to do was count the CK engine light flashes to get you started on some kind of path Ford seemed a lot less mechanic friendly and we won't even talk about dodge ,chrysler
@@johnmitchell2741 with the introduction of EEC-IV, we finally had SES light counting for quick codes too....
Before that - OBD was a JOKE!! Even involving things like "slamming the Driver's Door with the Vehicle in Drive", or "jumping the underhood plug, then rapidly turning the Steering Wheel, then flash the Headlights"!!! Not kidding!
I will always admit, early GM OBD Systems were MUCH easier to work with.
And you're right, we'll leave Chrysler out of this - especially "Lean Burn".
Dude, even if you uploaded a cat video, we'd still watch it. lol
lol
Man the fun I could have with a scan tool like that even if I know exactly what the issue was I'd be running thru all the test just for fun like you thanks.
Hey, I have watched all of your videos and I can't remember any where you talked about a "carbon issue". You kept saying "carbon issue" and I kept thinking "what is he talking about?" It took until the very end of the video for me to realize that you meant carbon buildup on the intake valves.
And, you seemed very confident, but the problem was on 2 and 4 but you said the PCV enters at 2 and 3. So, really looking forward to the next video to understand what the real problem was.
The diagnostics were great. But I didn't see a real solution at the end. Love your channel, keep it going.
Great video showing classic logical diagnostic sequencing of an issue especially when there are no codes set. It is amazing how the best mechanics that produce videos on TH-cam all have very similar steps they follow that, one by one, eliminates potential causes of the issue until there is only one left.
Funny how this consistency in diagnostic techniques is so similar. I don't think it is a coincidence!
All new mechanics should watch you, Eric O. and scanner Danner at the very least to lay a good foundation of being a vehicle diagnostician rather than a parts changer with a powerful parts cannon. Good job!!
well said. had a good chuckle "powerful parts cannon" guys are gonna hate you :D
Thanks for another solid video. I subscribed to your channel for the F-150 stuff...but I certainly love to see videos on other Ford vehicles, as well! Please feel free to cover them all! Cheers!
Thanks for the info. Definitely hope to see how the intakes are cleaned
Aussie 2014 Ford Falcon with the 4L inline six running on LPG (EcoLpi). Same issue and mine turned out to be a bad intake gasket. Decreasing the spark plug gap from 1.1mm to 0.9mm also helped getting rid of cold engine missfire. I use Forscan to check for missfire.
Got a Focus ST. Watched the whole video 👍🏻I cleaned the valves by soaking them with CRC valve cleaner, scrubbing them vigorously with a small circular nylon brush, than vacuumed out the gunk. Repeated the process many times until the valves were much cleaner. Couldn’t get them to factory new by the massive carbon buildup was gone. Than I installed a mishimoto catch can.
One of my coworkers had this same issue with his ST. His was even setting a code for misfires within so many revolutions after start. His solution was a good intake valve cleaning, PCV catch can, and adding a Meth injection kit. He runs hard enough to activate the meth and hasn't had any issues in 4 years.
Pretty good man. I like the way you approach the concern 👍
Good video. Too many times we make the assumption we know what the issue is then test to proves ourselves correct. A methodical standard test procedure is the right way to go to be sure.
YES FINALLY!! This is the video I have been waiting for. Thank you for posting. This will get me going in the right direction. And all this data is available in Forscan?
Damn. your channel got huge! Congrats!
Thanks!
This is absolutely awesome video.......
Thanks 👍...
We're waiting for part 2 of this video
Great video straight to the point no playing around trying to get views i love it
Great video and your step by step approach is very helpful. Thanks.
you are really someone who knows his job very well and how to explain in a simple way to those who do not know. i have the same problem on a 1.6 ecoboost, at idle you hear from the exhaust exactly the same noises you show in the video, but why if I turn on the climate the noises disappear? I hope you will find the time to answer me. thank you for your availability.
Nice to see you do a Ford focus ST which is my daily. Hope he brings it back and you’re able to do a video on the carbon cleaning.
Excellent video... very glad you showed us this
Great vid. I have a 2015 also. You did a video about six years ago on catch cans for ecoboost motors. I run radiums on both sides. My valves are like new. Im sure that if you look at the valves they have all kinds of build up. Walnut blasting will fix it. Most people that have performance di cars do it. VW, BMW, etc. all the same problem. Misfire due to carbon build up. All that carbon doesnt allow the right amount of air flow for proper combustion and the ecus are very sensitive. Great vid as always!!!
I love trucks! Just got a 2005 F150 5.4l going from a 2004 F150 three valve 4.6l which I loved! I'm not wild about the 5.4 but gonna give it a try and hopefully it'll do me good!
Gm Brian always enjoy watching your videos blessed love friend...
That's a mean sounding 4 cyl - great video - looking forward to the cleaning
I've said it once and I'll say it again your videos are top notch and I learn something new every time you post. Thanks for what you do man it's awesome!
Been trying to chase down a misfire on my Fiesta ST. This video was great, thank you!
How do you know its misfiring? Is there a code set?
@@f150lightningboy sometimes you can just feel it.
Thank you sir. As always, outstanding video!
Great video, Brian. I have two cars with the 2.3L Ecoboost and have decided to put catch cans on both of them. Hopefully, this will prevent the carbon buildup on the valves. Looking forward to see part two; cleaning the valves. Interested to see how you do that job.
Same here but a 2013 150 fx4 Its been installed now for over a year.. Love IT!!
I'm not sure if it prevents it but rather slows it down. my 2cents anyways
Never too long! I have a 2013 Fusion SE 1.6L ecoboost 22k on the clock (wife's car), change oil every 2k and it stinks like nothing I've ever smelled in my 25+ years twisting wrenches! I'd love to see the carbon clean video!
Thanks for a view into diagnostic tools you use. It's impressive what you can learn by using the engine sensors. That's quite interesting about carbon on the intake valves. I'd enjoy seeing you making the repair.
Definitely you are the Ford guru! 💯💪
Great video Brian. As always VERY thorough and informative.
Please show the fix if it comes back into the shop. I’ve seen a couple of GM DI nonturbos with carbon issues. Never actually seen an ecoboost carboned up first hand.
I’d bet the GM vehicles don’t have nearly the carbon issues as the ecoboosts do.
I’d venture to say it’s likely worse. They sticky gummie gunk in there was pretty bad.
@@RaddestDad
No, our GM fleet engines are torn down too frequently to have carbon issues in 5.3s and 6.0s. I don't tear into the 4.8s or any of the car 4 cyl cars engines we run. They're not worth saving. The simple old 4.3 v6s are the only modern GM engines we don't have to mess with. Fleet use finds the problems fast.
Great troubleshooting discipline.
Thank You Ford Master 😎😀👩🏻🔧 You are The Best Cant Wait Till You Do Part 2
Thanks for all help!
Another awesome video. As a tech who spends a generous amount of time working on Ford engines, you have been a encyclopedia of information over the years. And I believe we have come full circle. I recommended you to my coworkers & you are the first place they go for Ford info now. And a week or so ago, I had a good friend who works for Ford(Manufacturer not dealer) recommend you to me. It's been a great ride & I'm in for the long haul. Thanks Brian!👍👍
Will be waiting very anxiously for the second part. 😬😬😬
My 2013 Escape with the 2.0 liter Ecoboost engine was missing badly from 2000 to 4000 rpm. No error codes. The engine has been dealer serviced every 5000 miles and now has 120,000 miles. I put in new Iridium plugs at 100,000 miles. Lately, I have been driving short trips only and the engine sputters when accelerating. I decided to replace the spark coils. The engine runs 90% better. I used Motorcraft coils, because I hear that some other brands may cause radio interference. They are easy to replace in an hour. The cost of about $220 seems worth it, and Rock Auto got them to me in 3 days. I'm still getting some burble noise from the exhaust system near the cats or turbo. My mileage has improved too. So it seems true that the "coil on plug" coils do get weak after 100,000 miles.
Excellent diagnosis Doc , 😊👍🎩😎
Fantastic video. That scan tool is great. I have a 2013 Ford Escape with the 2.0L EcoBoost at 280,000 Km and it's still runs great. I have heard of the carbon build up on the valves, but was not aware of the trouble that can cause. I hope you get to part 2.
Good information! Excellent video!!
Clear and easy to follow explanations.
I am thinking to buy 2012 Ford Fiesta with only 147K with blown transmission, price is under 1K$ as my car project. Your videos are so helpful. Thanks Brian.
Buy cheapest Mazda 2( Fiestas twin that has none of its faults) it will be cheaper than your project, put it apart and back for fun/ learning not cause you have to, drive it like you stole it, 2 was built for that not to be service dept cash cow like Fail-esta
@@MegaNinjaMonkeyZord Thanks for an advice!
Fail-ESTA))) Haha!
In the UK we wouldn’t be using the word ‘only’ with 147k. For a fiesta that’s worn out! (And I like my Fords). With Ford’s 1L Ecoboost, 147k would be pretty much unheard of!
@@davyarthurs Hahha, I have never heard about it) Might be in Canada we have better Fiesta...
It is amazing how much is computer controlled. Reason why I bought an extended warranty on my F150
What you working on a Focus again.... nice!
Great job on these videos!
When the 1.6s came out I experienced this at the dealership. Had a car with a misfire on start but could never get it to misfire after warm. After looking at Freeze frame data it only did it on initial startup. I finally talked the customer into leaving it. I pressure tested the cooling system with the engine cold, pulled the plug and scoped the cylinder. Sure enough a head gasket leak could be observed as a tiny droplet formed and started running down the cylinder wall coming from in between the head and deck. Tore it down and ford ended up sending a long block.
Heard that before. After you do the hard diagnostics, the customer says, “I don’t have time today, but, I’ll bring it back”, never to be seen again.
They take it to their tech and have then do the repair
That is so true but in this case he brought it back for repairs.
Hopefully that video is coming out soon!
I’ve seen that many times and most of the time the vehicle returns on a tow truck after getting our diagnosis take it to there tech comes back job not done right and can I please get a discount
All off these pure DI engine's are a carbon time bomb you can see why the better OEM's are going to a dual injection set up, great content as ever 👍.
Something that helps with that is a catch can. I have one on my eco boost and it is an engine saving device. You would not believe all the oil, water and unburnt fuel I get out at every fill up.
You mean just like how Ford's I3 Dragon engine uses direct injection for high load circumstances and port injection for everything else?
I've never been as nervous about a vehicle as when I found out my Subaru has direct injection after buying it. I've got just shy of 18k miles on it currently and plan to do induction services every 30K but I don't expect that it's going to be trouble free. I'm not going to do a catch can or any kind of modification because it's under warranty and I bought the 10 year/150K mile extended warranty and don't want to invalidate that by modifying any of the original systems.
@@williamGSXR110 my Toyota Corolla has both.
Meh i have 345,000km on my GDI non turbo. I think its more a problem on turbo charged GDI engines.
Excellent job, Doctor!!! : )
Great informative video. Best out there.
That compression test is cool as hell I've never seen that before
Very useful and informative video, thanks! Could i ask, why in mode 6 there were like 5 or 6 misfires per driving cycle, but on power distribution screen there were more than 50 in less than a minute?
Awesome video again. Thanks
Solid video. Great diagnostics and explanation. As you went through the initial software checks my mind was running parallel. Basically check fuel, spark and compression. When did carbon buildup-based misfires even become a thing techs had to think about. This is silly in modern engines. The diagnostic software isn't FORScan, right? The video has a link to FORScan (good software for basic stuff) The video seems clear that this is not FORScan but the description links to it.
Excellent vid!! Not too long
Nice diagnosis!!
Excellent. Thx for the post.
It was not too long. Very informative.
I have a car doing exactly the same, i will take a look at the valves good info
Hey so I installed a new ford engine into my 2018 Mustang ecoboost, and I think I’m getting ghost misfires 👻. I’ve checked coil packs, spark plugs ect. Only happening on cyl 2/3 . The codes I get are p0316,p0300,p0302 and p0303. Seems to be only on start up. I’m praying once I get this procedure done, it will fix my issue 🙏. Thanks for this video, as it’s definitely helpful 👍
Great video!
Plug gap is a big factor when it comes to the ST and RS. 0.026-0.028 is usually the best gap to run since the gap expands over time. Purge Valve also is another culprit to look at replacing since these are known to seize up over time.
Thanks for sharing... Cheers.
The live data is impressive 👍
You are a legend. The most comprehensive and detailed analysis of any YT video of this issue. I had exactly the same problem in my 2015 Mustang EcoBoost which I use very rarely . I thought it was a cracked head gasket but I think carbon build up is the culprit.
Nice work! 👍
Excellent!
Thxs great info..Would love too see the repairs when the customer brings the car back to the shop....
When the customer found out how much it was gonna cost to clean the valves he decided he could live with a cold start miss fire
wow!! that was a interesting test!!
Great video
Changing oil frequently helps too. Less junk in the pcv to bake on the valves.
AutoZone would of told the customer he needs a new O2 sensor. lol Excellent info and diagnosis Brian.
Awesome vid thx. Hopefully we can see that cleanong. On you 4part series of the 4.0 timing job, that does apply to the 05 Explorer correct? And do i need an expensive scan tool or any to complete that process? Thx
Great video. Just curious what a cylinder leak down test would show since you had the spark plugs removed?
Thank you
I'll be watching this as well. I have 91K on mine. Mine starts good when it's cold and rich. Most of the misfires start right after the initial rich idle starts to lean out and the idle just starts to waver on coming down. Kinda bounces a little before the final drop off and true idle. Then maybe a few misfires after a warm idle is reached but then cleans up after operating temp is reached. Just like this engine is doing but not quite this bad of a miss...yet.
Great video. These carbon issues scare me. It’s like just a matter of time until it’s going to happen.
Unless you’ve got a Toyota with a combination Port/GDI system.
Good teacher
Great video! I wish you were my mechanic!
I had a explorer sport eb with p0171,174. Lt 23 percent both banks, under all conditions. Passed every test on the ids, including injector flow. Passed every ppt. Replaced all 6 injectors, fuel trims were perfect. Can't trust injector flow test.
Doing a engine in one of these at the moment, Cylinder 1 about 50psi compression. Rings are shot, have done a few 2L ecoboost for low compression. If it's not low comp in these ecoboost 4 cylinders it's coolant leaks........