Thank you for a great video with easy to understand explanations of the difference between port injection and direct injection, and also DI's weak points and possible failure areas.
Also, if you have a DI + turbocharger combo, know how to drive a turbocharged vehicle. Let the oil come up to temp before you hammer on the throttle. And, idle the engine for a minute before you shut it off, to let the hot oil cycle and cool.
Ben all good points, we spoke with our friends from Liqui Moly a bit about start stop engines, and turbo timers etc. all pertaining to exactly what you are mentioning here. It's super important to be "responsible" when owning/driving/maintaining a modern turbocharged DI car, more so than most people may realistically realize!
Nicely done. A Part Two video would be nice - leveraging the basics of the first video, get into more details on why HPFP fails, PCV fails, et cetera. Also a lot of turbo enthusiasts are upgrading cars with greater PSI, etc. You could cover some basics on how upgrades further strain some of those systems. For example, important that fuel, PCV, and ignition systems are up-to-date and in top condition. I suspect a lot of FCPEuro sales are from people "upgrades" to new or latest revision parts ... not just basic maintenance.
Fmorelli, glad you liked the video. A part 2 diving in a bit deeper is in the works, we tried to avoid getting too in depth on everything in this one as it would have been a 30+ minute video ^.^ Often times people may not be aware of the additional strain they could be putting on their cars other systems when "upgrading" certain parts, that's a great idea for a topic all on its own. Appreciate the feedback!
What is the difference between the c3 diesel high pressure fuel pump Versions and the gasoline versions ?? Is it more clearance inside to not burn up?? Or some special coating??! And can GDI pumps tolerate e85 /M100 / nitromethane and or some water content from 0-100 %
And what is the difference between the bmw common diesel rail injectors inline 6 cylinder ( Cummins looks like the same units along with the FCA 6-cyl eco diesel and GM duramax v8 ) and the ( I think 🤔 it’s the N56 the same one used in the Toyota supra bmw engine ) inline 6 GDI gasoline injectors the reason why I’m confused 🤷🏻♂️ the the 2003-17 ish year Versions look 👀 the same one the outside but obviously the engines aren’t the same inside and or work the same aka the compression ratios are different aka one is 9ish and the diesel is 14+ish to one
This was outstanding, a guy who knew what he was talking about, and knew how to talk in front of a camera. Most youtube vids don't have one of those two key things. Time to go look at more FCP Euro vids
You're welcome! Carbon buildup/cleaning is a bit of an inconvenience, however, manufacturers are starting to use both direct and port injection in order to resolve issues with carbon build-up, etc.
Very informative! Please keep these videos coming. Maybe in the next video you can talk about the high pressure fuel pump failures on the M271, M276, and M278 engines.
Great video!!! I installed a Turner oil catch can on my 2014 BMW N55. It’s caught no oil in a year of use! So the N55 appears to have an outstanding oil separator.
We've considered tool rental as apart of our business, but it isnt in the works quite yet. We do sell the adapters for a handful of applications though, and there are some budget at home ways to make walnut blasters!
@@jvb4218 This is actually in the works! We are making part 2 video all about carbon build up mitigation and removal. As well as shooting a DIY for MK7 walnut blasting specifically.
Ok what am I missing- in the illustration the fuel is being injected at the intake stroke, not at compression stroke- opposite what you said. And if it is injected at intake stroke why is 3000PSI necessary?
Nothin wrong with that J-Rose! We can appreciate all of it, especially after all the DI issues that are so prevalent now. Sometimes there is no school like the old school ^.^
I run Seafoam through the intake system every tenK I like the Seafoam in that it contains some lubricant being a marine product, which is good for the valve guides. I would like to see an answer regarding EGR valves. I believe my 09 A5 3.2 had them and I would think they contribute to carbon buildup on the intake valves.
Great questions Ashrith. They are often times lubricated with oil from small passages within the cylinder head where the hpfp sits/attaches. On the N14 engine in the animation here with the cam driven hpfp there are small holes/chambers on the fuel pump itself in which oil from the head is cycled through.
Can't say FOR SURE that its always an "okay sound" , but it is to be expected for most modern DI engines to hear some regular ticking, it can be from the injectors themselves, your lifters, a vacuum pump etc. The biggest thing is to take note of whether or not its a consistent/regular occurrence, does it vary drastically if the engine is cold vs warm , or at different rpm's do things sound better worse or the same.
Lucky for you the N55 was designed with DI carbon buildup in mind, because of the way the cylinder head was designed it has integrated blow by passages that directly vent to the intake ports creating less carbon build up on the valves themselves. We still suggest monitoring it every around every 70-80k miles though
I got direct injection, ive been using BERRYMAN B 12 every 4th fill up or so, this fuel system cleaner seems to really help, think im doing the right thing ? I do a mixture of city to highway driving, change the oil every 3,000
One of the solutions recommended by you FCP Euro is using the "LIQUI MOLY valve cleaner solution." follow the link and under the application "Best suited for non-direct injected engines" so is this good or no good to use or just a useless solution? Great job breaking this down. How is your Porsche Turbo any update? Thx
Hey John, the valve clean is for Port injected engines as a treatment/additive but we have used it in DI engines during the cleaning process directly on the valves while cleaning them up. Whole series is up on our Cayenne Turbo if you haven't caught it all yet!
The carbon buildup is a nasty con to DI and walnut blasting valves is not on my bucket list, so here's what you can do: 1) use only top tier premium fuel, 2) use the best synthetic oil recommended by the manufacturer, and 3) do NOT drive like grandma trying to squeeze good fuel economy out of your engine--slap that baby into sport mode and keep the revs up, once the engine is up to temperature.
GDi Injectors do 3 things 1. They clean the top of the cylinders 2. They atomise the fuel with the air to the correct stoichiometric ratio 3. They cool the pistons and cylinders
Really good informations, can someone please help me with this problem I have in my car which I think it’s because of the carbon build up. I drive a Lexus is250 2008 model x, and every time I try and accelerate hard or push the car really hard a really bad smell comes out from the outside of the car if I have my windows down only. Can someone please help with fixing the car? Thanks 😁😁
no, if the car requires premium gas put premium but most of the direct injection cars will make a ticking sound because of the high pressure fuel pump they have
I had code P0014 pop up and i think it caused P0087 code. I changed the oil and replaced a bad VVT solenoid with broken circuit on the exhaust side. Engine sounds perfect but when hitting a hill it has poor acceleration. Any ideas? I really don’t think it high pressure fuel pump. I checked all fuses and they’re good. Would high pressure sensor not reading enough pressure cause low pressure code. I feel like if I’m getting a low pressure code that the low sensor is working but I may be wrong. Just seems like it would read opposite
You will get less to no carbon if you use good premium fuel and then no fuel additives and a little better fuel economy the cost will work out the same and your engine will thank you.
I believe it has to do with the chemical makeup of the diesel ⛽️ vs gas. Diesel requires extremely high temperatures to combust. I would imagine something with the higher Temps burns off the buildup as opposed to the gasoline models. Just a simple guess as I'm not overly versed in diesel as I've always been a pretty much strictly gas engine auto technician. All the diesel techs have to b sent out for specific training at the dealer I work for. If you aren't trained for it they don't have you work on them period. And honestly I'm ok with that I'd rather work on a car I don't need to climb up into the engine bay of the a 2500/3500 series pickup. Hope that helps you in some way or at least puts u on the correct track to finding a answer
@@mikess96 9 months ago I asked this question and he has not answer. I love to ask question people can't answer. Your reason is wrong. Here's why I say that. Yes diesel engines need higher compression to burn the fuel. They burn the fuel is inside the cylinders. The back side of the intake valve is outside the cylinders. The back of the intake valve have build up just like gas engines. It's not enough to hurt the engine. It's not enough to hurt gas engines either. People trying to sell intake valve cleaning jobs. Made the problem worse than it really is. Yes I've seen the video of the ecoboost engine with the build up. That engine had other problems they didn't talk about. I bought a new 2016 F150 with a 2.7 twin turbo 6 years ago. My truck has 85k miles and it run good. I've never had my intake valves clean.
The short list of things he's suggesting 9:34 ...what normal person has the time or expertise to do those things, he just rattles the "to do list" like it's easy as pie, Let's see ... Check Cam Followers ✓ Fuel pump ✓ PVC system ✓ Injectors ✓..."just check "everything" hahaha This video could have been much shorter he could have said, If you own a DI engine You're Screwed. The End
do non turbo cars have or need high pressure fuel pumps driven by cam?? if so why? the injection is during intake part of tje cycle so its supposed to be vacum
Thank you for a great video with easy to understand explanations of the difference between port injection and direct injection, and also DI's weak points and possible failure areas.
Also, if you have a DI + turbocharger combo, know how to drive a turbocharged vehicle. Let the oil come up to temp before you hammer on the throttle. And, idle the engine for a minute before you shut it off, to let the hot oil cycle and cool.
Ben all good points, we spoke with our friends from Liqui Moly a bit about start stop engines, and turbo timers etc. all pertaining to exactly what you are mentioning here. It's super important to be "responsible" when owning/driving/maintaining a modern turbocharged DI car, more so than most people may realistically realize!
Nice presentation well done
Ken, Glad you enjoyed it!
Nicely done. A Part Two video would be nice - leveraging the basics of the first video, get into more details on why HPFP fails, PCV fails, et cetera. Also a lot of turbo enthusiasts are upgrading cars with greater PSI, etc. You could cover some basics on how upgrades further strain some of those systems. For example, important that fuel, PCV, and ignition systems are up-to-date and in top condition. I suspect a lot of FCPEuro sales are from people "upgrades" to new or latest revision parts ... not just basic maintenance.
Fmorelli, glad you liked the video. A part 2 diving in a bit deeper is in the works, we tried to avoid getting too in depth on everything in this one as it would have been a 30+ minute video ^.^ Often times people may not be aware of the additional strain they could be putting on their cars other systems when "upgrading" certain parts, that's a great idea for a topic all on its own. Appreciate the feedback!
What is the difference between the c3 diesel high pressure fuel pump Versions and the gasoline versions ?? Is it more clearance inside to not burn up?? Or some special coating??! And can GDI pumps tolerate e85 /M100 / nitromethane and or some water content from 0-100 %
And what is the difference between the bmw common diesel rail injectors inline 6 cylinder ( Cummins looks like the same units along with the FCA 6-cyl eco diesel and GM duramax v8 ) and the ( I think 🤔 it’s the N56 the same one used in the Toyota supra bmw engine ) inline 6 GDI gasoline injectors the reason why I’m confused 🤷🏻♂️ the the 2003-17 ish year Versions look 👀 the same one the outside but obviously the engines aren’t the same inside and or work the same aka the compression ratios are different aka one is 9ish and the diesel is 14+ish to one
This guy did a fantastic job in explaining direct injection, thanks
This was outstanding, a guy who knew what he was talking about, and knew how to talk in front of a camera. Most youtube vids don't have one of those two key things. Time to go look at more FCP Euro vids
Thank you for watching, Steve!
Very informative thank you, I feel the carbon building up and cleaning is unreasonable, the con outweighs the pro
You're welcome! Carbon buildup/cleaning is a bit of an inconvenience, however, manufacturers are starting to use both direct and port injection in order to resolve issues with carbon build-up, etc.
Very informative. Love it!
Glad you found it informative, more content like this to come!
@@fcpeuro looking forward to it!
Very informative! Please keep these videos coming. Maybe in the next video you can talk about the high pressure fuel pump failures on the M271, M276, and M278 engines.
Glad you found the video informative! Good idea in regards to the m27x series HPFP failures, maybe we can make a video doing a deep dive into them.
@@fcpeuro yeah please do. I ended up buying a 2012 C300 4MATIC to stay away from the M276 found in the 2013 and 2013 models. Too many horror stories.
I love how you answers all of the comments that’s good
excellent!
Great video!!! I installed a Turner oil catch can on my 2014 BMW N55. It’s caught no oil in a year of use! So the N55 appears to have an outstanding oil separator.
thanks for the infor regarding carbon buildup at the inlet valve which we don't have it previously.
FCP should offer a Walnut Blasting Rental Kit
We've considered tool rental as apart of our business, but it isnt in the works quite yet. We do sell the adapters for a handful of applications though, and there are some budget at home ways to make walnut blasters!
How about a video on the proper way to perform Carbon Cleaning Service MK6 or MK7 GTI?
@@jvb4218 This is actually in the works! We are making part 2 video all about carbon build up mitigation and removal. As well as shooting a DIY for MK7 walnut blasting specifically.
Great job!!
Thanks Mr.Exec, appreciate it.
Very nice
😎
Ok what am I missing- in the illustration the fuel is being injected at the intake stroke, not at compression stroke- opposite what you said. And if it is injected at intake stroke why is 3000PSI necessary?
Would you recommend putting oil catch can on Dodge 6.4L Hemi vehicles?
I still love my carburetors more! 😎
Nothin wrong with that J-Rose! We can appreciate all of it, especially after all the DI issues that are so prevalent now. Sometimes there is no school like the old school ^.^
On cars/trucks? Boo... On single cylinder atvs/dirtbikes I like them though.
I run Seafoam through the intake system every tenK I like the Seafoam in that it contains some lubricant being a marine product, which is good for the valve guides. I would like to see an answer regarding EGR valves. I believe my 09 A5 3.2 had them and I would think they contribute to carbon buildup on the intake valves.
Very informative..thanks..How is the high pressure pump lubricated?
Great questions Ashrith. They are often times lubricated with oil from small passages within the cylinder head where the hpfp sits/attaches. On the N14 engine in the animation here with the cam driven hpfp there are small holes/chambers on the fuel pump itself in which oil from the head is cycled through.
So when i go start my car and hear the bomb ticking noise its just the direct injection and nothing to worry about?
Can't say FOR SURE that its always an "okay sound" , but it is to be expected for most modern DI engines to hear some regular ticking, it can be from the injectors themselves, your lifters, a vacuum pump etc. The biggest thing is to take note of whether or not its a consistent/regular occurrence, does it vary drastically if the engine is cold vs warm , or at different rpm's do things sound better worse or the same.
What if the injector is gunked up and squirting instead of misting can that cause carbonized spark plugs?
very helpfull ..thank you
Thanks for the very informative video! How often do you recommend walnut blasting the N55?
Lucky for you the N55 was designed with DI carbon buildup in mind, because of the way the cylinder head was designed it has integrated blow by passages that directly vent to the intake ports creating less carbon build up on the valves themselves. We still suggest monitoring it every around every 70-80k miles though
I got direct injection, ive been using BERRYMAN B 12 every 4th fill up or so, this fuel system cleaner seems to really help, think im doing the right thing ? I do a mixture of city to highway driving, change the oil every 3,000
My goal is to be as clued up as you 😎
Walnut blasting or fuel purge? Different recommendation by different mechanics. VW petrol. Symptoms... misfire when engine is cold
thanks buddy
You're welcome, Jean!
One of the solutions recommended by you FCP Euro is using the "LIQUI MOLY valve cleaner solution." follow the link and under the application "Best suited for non-direct injected engines" so is this good or no good to use or just a useless solution? Great job breaking this down. How is your Porsche Turbo any update? Thx
Hey John, the valve clean is for Port injected engines as a treatment/additive but we have used it in DI engines during the cleaning process directly on the valves while cleaning them up. Whole series is up on our Cayenne Turbo if you haven't caught it all yet!
The carbon buildup is a nasty con to DI and walnut blasting valves is not on my bucket list, so here's what you can do: 1) use only top tier premium fuel, 2) use the best synthetic oil recommended by the manufacturer, and 3) do NOT drive like grandma trying to squeeze good fuel economy out of your engine--slap that baby into sport mode and keep the revs up, once the engine is up to temperature.
Just as a side note Mitsubishi start building full production GDI vehicles from 1996 into the 2000's that why they coined and patterns the term G.D.I.
Convinced and subscribed
GDi Injectors do 3 things
1. They clean the top of the cylinders
2. They atomise the fuel with the air to the correct stoichiometric ratio
3. They cool the pistons and cylinders
Really good informations, can someone please help me with this problem I have in my car which I think it’s because of the carbon build up.
I drive a Lexus is250 2008 model x, and every time I try and accelerate hard or push the car really hard a really bad smell comes out from the outside of the car if I have my windows down only. Can someone please help with fixing the car? Thanks 😁😁
Can putting regular gas in a DI car that requires premium gas be the cause to causing the ticking sound?
no, if the car requires premium gas put premium but most of the direct injection cars will make a ticking sound because of the high pressure fuel pump they have
can poor fuel quality lead to a HPFP failure?
I had code P0014 pop up and i think it caused P0087 code. I changed the oil and replaced a bad VVT solenoid with broken circuit on the exhaust side. Engine sounds perfect but when hitting a hill it has poor acceleration. Any ideas? I really don’t think it high pressure fuel pump. I checked all fuses and they’re good. Would high pressure sensor not reading enough pressure cause low pressure code. I feel like if I’m getting a low pressure code that the low sensor is working but I may be wrong. Just seems like it would read opposite
Check ur mass air flow sensor I am having same issue and after 3000 dollars in pieces it was. A sensor
Everytime I look at a vehicle I always say to myself ain’t no way a fucking human being made this 😭
Carbon build up is a chicken little problem. Diesel DI has been running for decades with no carbon problem.
Direct injection sure seems like alot of potential problems for very little benefit.
I think 2004 Volkswagen Passat 1.8T’s have port injected and not direct injection. Not sure though.🤷🏻♂️
You are correct Raptor_BOSS! The B5.5 had a 1.8T with VW "MultiPoint Injection" which was essentially Port Injection.
Im look for actual direct injection like zd30dis
This is INDIRECT direct injection... thanks for misleading titles
You will get less to no carbon if you use good premium fuel and then no fuel additives and a little better fuel economy the cost will work out the same and your engine will thank you.
Diesel engines have had direct fuel injection for years. Why don’t they suffer from carbon buildup?
I believe it has to do with the chemical makeup of the diesel ⛽️ vs gas. Diesel requires extremely high temperatures to combust. I would imagine something with the higher Temps burns off the buildup as opposed to the gasoline models. Just a simple guess as I'm not overly versed in diesel as I've always been a pretty much strictly gas engine auto technician. All the diesel techs have to b sent out for specific training at the dealer I work for. If you aren't trained for it they don't have you work on them period. And honestly I'm ok with that I'd rather work on a car I don't need to climb up into the engine bay of the a 2500/3500 series pickup. Hope that helps you in some way or at least puts u on the correct track to finding a answer
@@mikess96 9 months ago I asked this question and he has not answer. I love to ask question people can't answer. Your reason is wrong. Here's why I say that. Yes diesel engines need higher compression to burn the fuel. They burn the fuel is inside the cylinders. The back side of the intake valve is outside the cylinders. The back of the intake valve have build up just like gas engines. It's not enough to hurt the engine. It's not enough to hurt gas engines either. People trying to sell intake valve cleaning jobs. Made the problem worse than it really is. Yes I've seen the video of the ecoboost engine with the build up. That engine had other problems they didn't talk about.
I bought a new 2016 F150 with a 2.7 twin turbo 6 years ago. My truck has 85k miles and it run good. I've never had my intake valves clean.
lol...brap to practice
The short list of things he's suggesting 9:34 ...what normal person has the time or expertise to do those things, he just rattles the "to do list" like it's easy as pie,
Let's see ... Check Cam Followers ✓ Fuel pump ✓ PVC system ✓ Injectors ✓..."just check "everything" hahaha This video could have been much shorter he could have said, If you own a DI engine
You're Screwed. The End
do non turbo cars have or need high pressure fuel pumps driven by cam?? if so why? the injection is during intake part of tje cycle so its supposed to be vacum