For inlines you can expect to pay a little bit more than $100 per cylinder you have. V engines will run 600-900 or more depending on your car. My supercharged Audi V6 costs about 850 to carbon clean but it has a big ol supercharger that has to come off so that makes sense.r
Hi! I have 2015 VW 1.8t Golf that at idle revs goes up and down sporadically (like every 2 minutes, sometime a bit more than that). Also sometimes when acelerate from a stop the car stalls for a second and then proceed to acelerate normally (for some reason in reverse it's drastically more jerky). Does this sounds like symptoms of carbon buildup? I believe that the last time I cleaned it, the car had 80k miles, and now it has 100k.
My engine has been making a strange sound like a hissing sound inside the intake, have no check engine light but some times my car will randomly misfire some days, but mainley its the audible hiss sound that i know wanst thier before, also checked for vac leaks visualy with smoke machine and fuel trim data, nothing shows a vaccum leak. just wondering if carbon can cusse the engine to sound like its gasping for air due to intake port clearances?
So my problem is im throwing egr and pcv codes after replacing those, i just did an engine swap but i reused my 315k mile intake from my old engine, i have a new intake already, would swapping it for a brand new manifold fix that if the buildup is blocking ports?
Looking forward to your upcoming video. Are there additives u can use to periodically clean? I used guaranteed to pass emissions on my old 97 Camry & it really cleaned the plugs, figure it would do intakes.
Rice - Thanks for the feedback! There are some fuel additives on the market that claim to clean carbon buildup off of intake valves, Sea Foam is our favorite. However, we want to preface, this is a preventative measure. Not a end all be all.
Vapors of engine oil caused by pcv and recirculation of air as ventilation by sucking hot air from the crank case into the engine is one of 2 main causes of carbon buildup. This theory explains and proves why port injection engines are less likely to build up carbon on the intake valves. And so does watermeth injection in direct port injection engines. If carbon deposits gets inside the chamber, it will probably cause preignition and this is another serious problem.
Definitely, you could have some excess buildup in cylinder 1. Carbon build-up doesn't always happen evenly, can be very different from port to port depending on the condition of the cylinders and injectors for that port.
@@8020Media update, Did walnut blasting worked as it should miss-fire continued, gave a good full blast on the highway no more misfire.. huge difference Thank you for the opportunity and advice!!!
K - A majority of the build up is in the intake tract because this is where fuel is injected into. Catalytic converters can also experience carbon buildup. We have a video coming out tomorrow addressing catalytic converters.
Fuel doesn't have any major impact. Carbon build-up on intake ports and valves occurs because there isn't any fuel flowing over them on direct injected engines (the fuel is sprayed directly into the cylinders). As such, it doesn't matter how much or how little ethanol or what fuel additives are used.
You forgot to explain how the carbon deposits get there in the first place, apart from a brief reference to vacuum pulling oil back into the port (why oil?)
H - Described simply, carbon buildup is the result of incomplete fuel combustion leaving behind a carbon residue that can get stuck to the intake valves, injector nozzles, cylinder walls, and piston heads. Oil blowby caused by the PCV system and valve seal weep contributes to the problem as well, worsening the buildup.
Wolf - It's possible but not something we see very often at all, at least in the case of it causing any major damage. The combustion process typically burns off any excess carbon within the combustion chamber.
Carbon buildup around the valves and head is bad but carbon buildup around the pistons and rings can destroy an engine, common issue with many low tension ring engines and longer oil change intervals, like the video more information the better well done.
Haha right, there are a lot of studies suggesting direct injection is actually worse for emissions. But I don't know much on that front. Unfortunately carbon buildup is just the way of life for anything direct injected.
I completely disagree with your statement that carbon in the engine will not harm the engine. If left unchecked, it will destroy it. It gets to the point where unburned fuel washes down the cylinder walls, causing scuffing on the cylinder walls. This raw unburned fuel also contaminates the catalytic converter, and eventually kills it which is extremely expensive to repair. False information stating that carbon buildup does not harm the engine.
If a big chunk falls off then sure it can fall into the combustion chamber and take out the piston rings and cause some damage. But I don't think carbon buildup itself is causing the problems you're talking about.
@@PATRIOTIC-EAGLE11been having the same problem!! Had a misfire in January, changed the spark plugs and coils, ran fine for a month, until suddenly MULTIPLE cylinder misfires. Changed the fuel injectors, and since I have a Honda fit, I have to take half the engine apart to get to them. As I was taking the intake manifold off there were huge buildups of gunk on the inside, I blasted it with brake cleaner and it was still coming out black on the other side. When I took the fuel injectors off, they were completely crusted up in not just carbon deposits, but it looked like dirt and gravel from the street. I have heard the carbon build ups can cause misfires . I really hope we're onto something bc when I took it to the shop they just told me "it's the spark plugs" 😓 I'm seriously at a loss here. Good luck my friend.
Hello bro, it is about more than year I’m looking for the cause of this problem i really have spent too much money but recently a friend told me about carbon buildup on piston I’m going to clean it up today then I will inform you about the result, I hope we solve it soon, good luck my friend
Better response is from the PCV and EGR systems that burn the unburned hydrocarbons that end up in your crank case. Theses systems route this oily mist back into the intake port, and through the intake valve into the combustion chamber to be re-burned rather than going out into the atmosphere. When they pass through the intake valve, this oily mist carbonizes onto the intake valve, leading to carbon buildup. Because no gas on a GDI engine is being sprayed onto the intake valve, the detergents in gas can no longer work to keep the intake valve clean. Cheers.
@@8020Media Your correct , its very common , because it was designed that way , forcing oil down the intake from crank case ventilation , just like indirect injection carbons up the exhaust valves because the fuel going across the intake valves helps keep them clean . If you think the designers of these and other engines didnt know these engines were going to carbon up this way , YOU are sadly mistaken ! This is their wind fall of intentional maintenance profits ! Highlight that !
@@charlesmccormick4443 senior citizen here and we were the victims of this nasty secret of the industry deliberately making the cars to have excessive carbon buildup. Our Toyota Corolla 2015 engine was completely destroyed by carbon buildup which NO ONE at the service center ever warned us about. We thought doing the routine maintenance religiously would make our car last 300,000 miles. The engine was destroyed at 173,446 miles instead due to no one ever telling us about carbon buildup. We consistently drove low speed and rarely went out on the highway. Now we know better. Highway driving at 60 MPH for long periods is enough to heat up the carbon buildup and get rid of it. Hard lesson to learn as we just had to buy a new car.
@@charlesmccormick4443 senior citizen here and we were the victims of this nasty secret of the industry deliberately making the cars to have excessive carbon buildup. Our Toyota Corolla 2015 engine was completely destroyed by carbon buildup which NO ONE at the service center ever warned us about. We thought doing the routine maintenance religiously would make our car last 300,000 miles. The engine was destroyed at 173,446 miles instead due to no one ever telling us about carbon buildup. We consistently drove low speed and rarely went out on the highway. Now we know better. Highway driving at 60 MPH for long periods is enough to heat up the carbon buildup and get rid of it. Hard lesson to learn as we just had to buy a new car.
@@8020Media The cure we found out is to do regular highway driving, at 60 mph is enough to burn off the carbon buildup. Don't just do around about town driving at 30 to 45 miles per hour as that is how the carbon buildup starts.
Good job! Well explained 👏
A - Thanks for the feedback!
how much will a shop charge to do a cleaning for carbon? how often should i do a cleaning ?
Travis - This depends. What vehicle are you looking to get this service done to?
For inlines you can expect to pay a little bit more than $100 per cylinder you have. V engines will run 600-900 or more depending on your car. My supercharged Audi V6 costs about 850 to carbon clean but it has a big ol supercharger that has to come off so that makes sense.r
Dude - Thanks for adding this insight. Will certainly help future viewers!
Toyota has overcome this problem years ago buy adding direct & port injection
@@on-site4094Why didn't everyone one else?
Hi! I have 2015 VW 1.8t Golf that at idle revs goes up and down sporadically (like every 2 minutes, sometime a bit more than that). Also sometimes when acelerate from a stop the car stalls for a second and then proceed to acelerate normally (for some reason in reverse it's drastically more jerky). Does this sounds like symptoms of carbon buildup? I believe that the last time I cleaned it, the car had 80k miles, and now it has 100k.
L - Not likely. Are you getting a check engine light?
@8020Media no check engine light.
L - We have two videos that could help here: ua-cam.com/video/BiYsqRJCLhE/v-deo.html
ua-cam.com/video/7bqAIbYRdnc/v-deo.html
My engine has been making a strange sound like a hissing sound inside the intake, have no check engine light but some times my car will randomly misfire some days, but mainley its the audible hiss sound that i know wanst thier before, also checked for vac leaks visualy with smoke machine and fuel trim data, nothing shows a vaccum leak. just wondering if carbon can cusse the engine to sound like its gasping for air due to intake port clearances?
D - Not likely, but how many miles do you have on the vehicle??
So my problem is im throwing egr and pcv codes after replacing those, i just did an engine swap but i reused my 315k mile intake from my old engine, i have a new intake already, would swapping it for a brand new manifold fix that if the buildup is blocking ports?
Lucky - I think swapping it would be a good idea if you already have it on hand and then reset the engine codes. Keep us updated.
Do the fuel system cleaner that says it cleans valves help with direct injection motors?
R - They help, but don't prevent carbon buildup.
My car has carbon build up and has a misfire. What is the way forward to getting it fixed.
S - Are you getting any check engine lights?
Looking forward to your upcoming video. Are there additives u can use to periodically clean? I used guaranteed to pass emissions on my old 97 Camry & it really cleaned the plugs, figure it would do intakes.
Rice - Thanks for the feedback! There are some fuel additives on the market that claim to clean carbon buildup off of intake valves, Sea Foam is our favorite. However, we want to preface, this is a preventative measure. Not a end all be all.
very informative, thanks man👍
Aramh - Thanks for providing your feedback. Hope it helped!
Vapors of engine oil caused by pcv and recirculation of air as ventilation by sucking hot air from the crank case into the engine is one of 2 main causes of carbon buildup. This theory explains and proves why port injection engines are less likely to build up carbon on the intake valves. And so does watermeth injection in direct port injection engines.
If carbon deposits gets inside the chamber, it will probably cause preignition and this is another serious problem.
MJ - yep.
Is it possible carbon buildup on the intake valves and only affect cylinder 1 missfire
Definitely, you could have some excess buildup in cylinder 1. Carbon build-up doesn't always happen evenly, can be very different from port to port depending on the condition of the cylinders and injectors for that port.
@@8020Media just removed the intake manifold, wow buildup on the stem and get thicker on the valve, let is sit with cleaners see how it goes thanks!!
H - We also have a DIY walnut blasting tutorial: ua-cam.com/video/pyhvtrCXbB0/v-deo.html
@@8020Media update,
Did walnut blasting worked as it should miss-fire continued, gave a good full blast on the highway no more misfire.. huge difference
Thank you for the opportunity and advice!!!
H - Nice! We're so glad we could help.
Y at intake alone it jus takes the air fuel mixture for burning correct. Exhaust must b having higher carbon build up.. can u brief this too..
K - A majority of the build up is in the intake tract because this is where fuel is injected into. Catalytic converters can also experience carbon buildup. We have a video coming out tomorrow addressing catalytic converters.
Is there a way to close the other valves ?
Moses - What do you mean the other valves?
So does ethanol or non ethanol fuel cause more carbon build up?
Fuel doesn't have any major impact. Carbon build-up on intake ports and valves occurs because there isn't any fuel flowing over them on direct injected engines (the fuel is sprayed directly into the cylinders). As such, it doesn't matter how much or how little ethanol or what fuel additives are used.
You forgot to explain how the carbon deposits get there in the first place, apart from a brief reference to vacuum pulling oil back into the port (why oil?)
H - Described simply, carbon buildup is the result of incomplete fuel combustion leaving behind a carbon residue that can get stuck to the intake valves, injector nozzles, cylinder walls, and piston heads. Oil blowby caused by the PCV system and valve seal weep contributes to the problem as well, worsening the buildup.
Hi can carbon build up cause engine to vibrate only when engine is hot thanks
Sounds like you're having a rough idle? Here's a video we did specifically for that: ua-cam.com/video/BiYsqRJCLhE/v-deo.html
@@8020Media i only get engine vibtation when engine is hot at idle rpm not bouncing just feel vibration in seats and no engine light or codes thanks
May want to check your engine mounts. This could be the cause. Keep us updated on this.
@@8020Media thanks will do can it cause vibration only when engine hot
does low octane build more carbon build up than high octane gasoline?
Apple - Unfortunately, there isn't a easy answer to this. But generally the answer would be yes. It all depends on the additives and quality of fuel.
Can’t the carbon buildup on the cylinder head and then scratch the cylinder walls?
Wolf - It's possible but not something we see very often at all, at least in the case of it causing any major damage. The combustion process typically burns off any excess carbon within the combustion chamber.
Can carbon buildup causes of my car to have crank no start?
F - It's possible, but not likely. We have a great video on this that may help here: ua-cam.com/video/0YRdzJbHcm4/v-deo.html
@@8020Media thanks I appreciate it 💪🏾💪🏾💪🏾
Carbon buildup around the valves and head is bad but carbon buildup around the pistons and rings can destroy an engine, common issue with many low tension ring engines and longer oil change intervals, like the video more information the better well done.
D - Thanks for taking the time to share this insight. Also, thanks for the feedback!
All of the 'lower emissions' are sitting on top of the intake valves.
Haha right, there are a lot of studies suggesting direct injection is actually worse for emissions. But I don't know much on that front. Unfortunately carbon buildup is just the way of life for anything direct injected.
Can clogged valves cause excessive crankcase vacuum i have a new vc vc gasket and pcv valve
J - Certainly can.
@@8020Media found the problem it was a defective pcv valve from vvt
J - Nice! Glad you were able to figure it out! Thanks for coming back and sharing your experience.
I completely disagree with your statement that carbon in the engine will not harm the engine. If left unchecked, it will destroy it. It gets to the point where unburned fuel washes down the cylinder walls, causing scuffing on the cylinder walls. This raw unburned fuel also contaminates the catalytic converter, and eventually kills it which is extremely expensive to repair. False information stating that carbon buildup does not harm the engine.
If a big chunk falls off then sure it can fall into the combustion chamber and take out the piston rings and cause some damage. But I don't think carbon buildup itself is causing the problems you're talking about.
Can carbon buildup cause random misfire? Thanks bro
@@PATRIOTIC-EAGLE11been having the same problem!!
Had a misfire in January, changed the spark plugs and coils, ran fine for a month, until suddenly MULTIPLE cylinder misfires. Changed the fuel injectors, and since I have a Honda fit, I have to take half the engine apart to get to them. As I was taking the intake manifold off there were huge buildups of gunk on the inside, I blasted it with brake cleaner and it was still coming out black on the other side. When I took the fuel injectors off, they were completely crusted up in not just carbon deposits, but it looked like dirt and gravel from the street.
I have heard the carbon build ups can cause misfires . I really hope we're onto something bc when I took it to the shop they just told me "it's the spark plugs" 😓
I'm seriously at a loss here.
Good luck my friend.
Hello bro, it is about more than year I’m looking for the cause of this problem i really have spent too much money but recently a friend told me about carbon buildup on piston I’m going to clean it up today then I will inform you about the result, I hope we solve it soon, good luck my friend
What does carbon build up come from?
Keeg - It's is a natural byproduct of the combustion process where fuel is burned to generate power.
@@8020Media thanks
Better response is from the PCV and EGR systems that burn the unburned hydrocarbons that end up in your crank case. Theses systems route this oily mist back into the intake port, and through the intake valve into the combustion chamber to be re-burned rather than going out into the atmosphere. When they pass through the intake valve, this oily mist carbonizes onto the intake valve, leading to carbon buildup. Because no gas on a GDI engine is being sprayed onto the intake valve, the detergents in gas can no longer work to keep the intake valve clean. Cheers.
@@JRW-BJJ thanks. Cheers to you.
P@@JRW-BJJ
Lemon law , use it !
Charles - Carbon buildup is very common in all direct injection engines. Not so sure lemon law would work in this case.
@@8020Media Your correct , its very common , because it was designed that way , forcing oil down the intake from crank case ventilation , just like indirect injection carbons up the exhaust valves because the fuel going across the intake valves helps keep them clean . If you think the designers of these and other engines didnt know these engines were going to carbon up this way , YOU are sadly mistaken ! This is their wind fall of intentional maintenance profits ! Highlight that !
@@charlesmccormick4443 senior citizen here and we were the victims of this nasty secret of the industry deliberately making the cars to have excessive carbon buildup. Our Toyota Corolla 2015 engine was completely destroyed by carbon buildup which NO ONE at the service center ever warned us about. We thought doing the routine maintenance religiously would make our car last 300,000 miles. The engine was destroyed at 173,446 miles instead due to no one ever telling us about carbon buildup. We consistently drove low speed and rarely went out on the highway. Now we know better. Highway driving at 60 MPH for long periods is enough to heat up the carbon buildup and get rid of it. Hard lesson to learn as we just had to buy a new car.
@@charlesmccormick4443 senior citizen here and we were the victims of this nasty secret of the industry deliberately making the cars to have excessive carbon buildup. Our Toyota Corolla 2015 engine was completely destroyed by carbon buildup which NO ONE at the service center ever warned us about. We thought doing the routine maintenance religiously would make our car last 300,000 miles. The engine was destroyed at 173,446 miles instead due to no one ever telling us about carbon buildup. We consistently drove low speed and rarely went out on the highway. Now we know better. Highway driving at 60 MPH for long periods is enough to heat up the carbon buildup and get rid of it. Hard lesson to learn as we just had to buy a new car.
@@8020Media The cure we found out is to do regular highway driving, at 60 mph is enough to burn off the carbon buildup. Don't just do around about town driving at 30 to 45 miles per hour as that is how the carbon buildup starts.
Buy an ev. No such problems
David - I mean, yes. But where's the fun in EV's?
Only ev I would get is minis ev and I still would decline
Meh...EVs sound like a Dyson vacuum cleaner. I like cars that go vroom.
Until you have to replace battery pack
I really enjoyed this video. Thanks
Juicy - Thanks for the feedback! Hope it helps.