How to check your VW Audi for Boost Leaks

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We discussed checking for boost leaks on your VW or Audi model. Boost leaks can be a big headache, but before you assume you have a boost leak, you should check to make sure you know that's the case. Otherwise, you might end up chasing your tail. In this video, we show you how to check with a scan tool and then helpful tips to pinpoint your boost leak.
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NOTE: For older VW/Audi models in which you need to enter a channel number for live data you need to go to channel 115
Channel 115-3 - requested boost
Channel 115-4 - actual boost
Update - Since making this video OBDeleven has created a next-gen version that works with iPhones! You can still buy the android version if you would like. LINKS BELOW
Next-Gen - OBDeleven VW and Audi Scan Tool HERE
www.shopdap.com/nextgen-obdel...
Older Android Style OBDeleven Pro Scan Tool
www.shopdap.com/obdelevenpro-...
DIY Boost Leak Tester (please note sites are specific to that model may vary by vehicle)
forums.vwvortex.com/showthread...
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Опубликовано:

9 окт 2017

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Комментарии : 129

@Deutscheautoparts 2 года назад

NOTE: For older VW/Audi models in which you need to enter a channel number for live data you need to go to channel 115 Channel 115-3 - requested boost Channel 115-4 - actual boost Update - Since making this video OBDeleven has created a next-gen version that works with iPhones! You can still buy the android version if you would like. LINKS BELOW Next-Gen - OBDeleven VW and Audi Scan Tool HERE www.shopdap.com/nextgen-obdeleven-ios-android-vw-audi-scantool.html Older Android Style OBDeleven Pro Scan Tool www.shopdap.com/obdelevenpro-vw-audi-scan-tool.html

@BSF628 6 лет назад

Damn Paul, you got a boost leak in dem jeans.

@Deutscheautoparts 6 лет назад

+Brandon Fisher ha.... well done.

@busbqbill449 6 лет назад

are they bilstein jeans? I think it's time for some new jeans haha

@mexifinn7830 6 лет назад

Those are blow-off valves...

@kimnielsen4343 5 лет назад

You could blow some air in to the first pipe you find. Its important that you use your mouth though!

@bojanjokanovic2704 4 года назад

@@Deutscheautoparts How much is open thr. Body on idle? I have golf 5 2.0fsi and 11% open thr. Body, is that ok?

@JonnyELO8329 5 лет назад

Great video! I just bought the obdeleven and tried your testing method. When I did my test, I was showing 17psi the whole way. Didn't really have movement against the specified value. It was pretty much straight across the board.

@scotchegg6422 6 лет назад

Like your plug of the new Mk7.5 rear lights 😃 Car just happened to be there with the lights on. When you were referring to 'these cars'; pointing at the lights. Nice work. 😃

@LetsDIYIt Год назад

Thanks for the video. I have an OBD11 and think I have a boost leak in my S6. Will go through the process you outlined to test.

@shiftyeyes67k 11 месяцев назад

Insanely helpful video. Thanks!!!

@BALLsack156 Год назад

Thank you, very educational

@radurotaru9778 5 лет назад

4:52 did someone else notice the suggestion word "xxx" :))) damn Paul

@ignalizarralde 5 лет назад

Great vid, easy diagnosis. I seem to have a different version of OBD II since mine gives me PSI. However, I was under the impression that for specified value I would manually input the value and see how it behaves vs actual value. The specified value moves the same as the actual with a .3 variance when full throtle. I guess that means no boost leak?

@johnnyberglund841 Год назад

Hi Paul, I have a A3, fsi 2.0 2006, 200hp,185000km. I feel strong boost driving fast, so fare no need for check OBD stuff, still nice clip, Thanks Johnny Sweede Guy

@shazammarvel306 3 года назад

Hi , can you check the boost leak on the standard OBD11 or do you need the OBD11 pro ??? Thanks !

@davembman3285 3 года назад

Can a boost leak also allow the car to run lean and give vacuum leaks?

@deregna24 6 лет назад

Does the A6 2.0t 2007 have a diverter valve i cant seem to find it

@goodyfpv2297 5 лет назад

Mine is old and I do not get a list of anything I have to manually type in the channels I think you said 115 but then what’s the other channel or the list of values 1 - 4 do I pick to compare it to thanks

@AlienCatcher23 3 года назад

Is it possible for you to have a post map leak? I ask because my 1.8 TSI Jetta feels somewhat lethargic lately (especially after removing my Neuspeed power commander). Live data graphing doesn’t seem to indicate issues and requested/actual values are close. I did find it very odd though that the car only seems to be requesting around 9-10psi full throttle second gear pull... thought it would be a lot more even stock... it’s a manual transmission Jetta so wondering if the lower torque that the manuals have are maybe the reason why it’s only requesting 9psi

@bojangeorgiev2162 6 лет назад

Hello there. I go in 01 Engine control module, and in Live Data on Channel 115 and the Values 3 and 4 are not in bar they are in Nm. Why it is nit the same as you are presenting? Or how can I search by name? Thanks in advance.

@samnapolitano5321 4 года назад

My values are inverted is this normal? My charge air pressure specified value is 2bar, and my actually is consistently at 1bar. On high throttle change they cross each other kind of move together then return to their values. Is this normal?

@willywillywillywillywilly 6 лет назад

Hey, thanks for a good video. What if specified peak boost/power matches actual, but it gets there in a halted, jerky manner. Stock Mk7 GTI. My car does this and no other Mk7 GTI I’ve driven does.

@rcnacura 5 лет назад

Did you get this fixed? What was the solution?

@aqib2000 5 лет назад

My Specified boost has a massive silly spike, actual boost follows a normal profile. Any ideas. Isn't the specified boost the requested value?

@ironmb86 6 лет назад

Have you heard of p2261 error ? Apparently its a softcode for boost malfunction?

@merdere4434 2 года назад

I dont see the chart pictogram when i use channel 115 in obdeleven how come?

@Akuma_Raou 6 лет назад

Where do i check for early signs of leak on an Audi A6 V8 S-line ?

@mofine23 5 лет назад

love ur camera so FHD

@danielevans5042 6 лет назад

My vw Scirocco goes into limp mode very regular basis now ,checked the code on my device it is P0299 what could be the cause please..

@hamoor6 4 года назад

What cause actual boost high than requested?

@GenerationRx Год назад

My specified value remains WAY below actual, unless idling. Over 4 psi. Is there an issue here, like DV or wastegate or am I good?

@trethegreatestt9880 4 месяца назад

Can you make an updated video for the mk5

@MatthewTaylor3 5 лет назад

What about watching the waste gate duty cycle?

@ARBAN30 4 года назад

what diagnostic scanner are you using?

@davembman3285 3 года назад

what other tests are good to run while the car is running on OBD 11?

@Titan.Uranus 2 года назад

Just go all out. Most OBD nowadays have the option to check the whole system, at a press of a button. U can't go wrong.

@johnjimjohnston 6 лет назад

looking for a working odis it needs to go on line to fix new parts install any one

@ShoutingMeatball 4 года назад

Does a3 have maf? Because I don’t see mine, I have a k&n on rn

@turbostar6 5 лет назад

Have an Audi A4 2013 2,0 tfsi 211 hp, is it anyone who know what the turboboost should be? (in bar)

@Britishfever456 6 лет назад

Thank You Paul for your beneficial videos. Could an overboost code P0234 be due to a boost leak? In other words the system is overboosting to compensate for a leak.

@sil8018 2 года назад

did you figure out this issue?

@phonkyfeel1 2 года назад

I'm also curious about this. Having the same issue. I've replaced so many parts (N75, MAP sensor, DV, some hoses) but no resolution. Many 1.8T peeps says it's sticky vanes in the turbie. And I do plan to replace the K03 in the next year....but dang how I wish that I could figure this out myself first

@anthonycantatore4353 6 лет назад

Hey Paul, i have 2017 gti and when only the ignition is on i have a CEL and EPC. Obd11 gives me a passive code saying loss of crankshaft synchronization, but when i start the car the lights go away and the car seems to be driving normally. Any idea what this could mean?

@chriswilson2834 2 года назад

This is as you might of found out due to timing issues and a stretched or poor tensioner or as simple as a bad crank/cam position sensor.

@qimingzou3390 6 лет назад

Hello! Do you have any recommended location for tapping oil pressure? Thank you very much!

@Carxstreetaccounts24 3 года назад

3 years later and never got a response 🙄😂

@PeterFeltersnatch852 3 года назад

@@Carxstreetaccounts24 probably cuz it's a stupid question. He didn't even say what kind of car. If I can't pronounce a person's name fuk em then

@bamdragon25 2 года назад

Mine are in mBar and I dont have an option to use a graph

@remingtontreich9986 3 года назад

How do u get the graph bec it not there for me

@Frostensen 29 дней назад

Is there a difference when you drive the car or have it stand still and press the pedal?

@GIOX96K Год назад

is the "specific value" the one the car requires while the measured value is the "actual value"?

@ryanvanwinkle5702 3 года назад

My specified on my mk5 gti is 200, and actuall is about 1110

@TopSecretVid 3 года назад

I have a big vacuum leak on my 1.8T Paasat.. Car starts ...runs/idles fine then dies... I can repeat this three times after that the car just cranks ..almost like it’s flooded at that point....HELP HELP!!! Oh side note the brake pedal gets extremely hard to push....

@daavoor87 4 года назад

Hi! I can’t see the ”live data graph” on my obd11. How to activate it?

@VuBeClan 4 года назад

go to engine channel, then go live data graph

@DJMac 2 года назад

Will this work on a 2002 vw bora 1.9 uk

@845_Mk6 Год назад

The only places for a boost leak on the ea888 will be throttle body or boost pipes is there any other locations where boost could leak from

@erixgarcia5166 10 месяцев назад

Spacer diverter valve like mine.

@jasonstevenson7170 6 лет назад

Paul, I ran this test and got some interesting results that I'm having trouble finding an explanation for: at low load (at idle or when I let off the gas), the specified boost is 4-5 psi, but the actual boost is around 14 psi. Once the spec boost rises, the actual follows along with it and stays pretty close, but 2-3 psi above spec. Any ideas what would cause the high pressure at low loads? Diverter valve stuck closed, maybe? Car runs great, but this seems very odd. TIA.

@terrymansell935 3 года назад

I've got the same deal going on. I've installed a go fast diverter valve. Car runs good as fuck. But my actual boost at idle is always 14psi. But as specified rises, so does actual. But back to idle, back to 14psi.

@aqib2000 2 года назад

@@terrymansell935 @jason either of you figure it out?

@GoBIGclan Год назад

@@terrymansell935 14 PSI is atmospheric pressure

@billiamklein7088 5 лет назад

My jb4 plugs into the obd. No other way to know? Some times I pull hard and others not so much. Sounds like a possible leak but maybe it's just drastic seasonal air temperature changes in the north east.

@MeltingRubberZ28 4 года назад

I've noticed the same thing with my JB4. Running map 3 myself. I just added 2 gallons of E85 to an otherwise full tank and it seems to be running strong now. Thinking it might be an octane thing.

@Og.quizzes 3 года назад

I’m getting a P0101 code ?? Is this related ??

@teebee9023 5 лет назад

Hey I have a VW Golf Mk7 1.6 TDI DSG 2014. My car is in Limp Mode Engine light is on and coil light It’s not picking up power more than 30mph very sluggish What could it be ?? Need help or advise on this please Thank you...

@aqib2000 5 лет назад

Dpf

@ollietheboy7107 2 года назад

So how do you pin point it ???

@josemorales7626 6 лет назад

What is the troubleshooting device you are using?

@Deutscheautoparts 6 лет назад

shopdap.com/store/vw-audi-scan-tool-obdeleven.html

@TallissaPentti 2 года назад

Can you watch my boostleak video. Is that normal or what is the problem..😫

@S.GCjflyjoshua 4 года назад

I have a boost leak keeps going into limp mode where do I check it

@Naeromusic 2 года назад

I did this and my actual boost measured 2.6 bar and specified measured 2.3 bar, is that normal? lol

@arronlowley5659 3 года назад

Are boost leaks and vacuum leaks the same thing? And can they be tested the same way

@DanielLopez-qn2px 2 года назад

Yes hence the turbo vacuums at idle and boost under gas

@YOURMOMxo69xo 6 лет назад

I got weird symptoms out of my GTI. I get RPM spikes at idle, but iv'e got no vacuum seal leaks. Also unlike vacuum seal symptoms, this only happens when my car has been ran relatively hard. Like getting off the highway, but will usually continue until my engine has had a chance to cool down under operating temp.

@aqib2000 5 лет назад

Any luck with this?

@ophidian1987 2 года назад

try the n75 valve

@VWGTI2013 6 лет назад

Did VW stop making the Golf R?

@Deutscheautoparts 6 лет назад

Nope

@JimBean365 3 года назад

I get turbo flutter or surge on my S3 on WOT. Is that normal or could I have a boost issue or wastegate issue? I don't think Carista can check boost.

@t58beare 3 года назад

Check the DV, might need to be replaced.

@JimBean365 3 года назад

@@t58beare I just ordered a Turbosmart DV so I hope that helps.

@t58beare 3 года назад

@@JimBean365 I had the same exact issue, checked literally everything and only the DV was busted. And to view boost I use a JB4 with the app, which is quite useful.

@Spccain 2 года назад

Same issue on my mk7.5 GTI. Did you ever find the solution?

@mikejames3263 Год назад

Can anyone tell me if i would see the lag in specified value vs actual value since i installed an is38 on my Alltrack? The boost seems to reach the specified value, just late. I have the APR is38 tune for it. I just figured the specified value would have changed with the tune. Thanks.

@FoxiferTheWhite Год назад

Not necessarily being an APR team they're going to play it on the safe side so running the same PSI on a bigger turbo sounds pretty much correct to my understanding the only reason when people put ko4s etc on their car and running 20 plus PSI is because the tune is already set up for it, plus you got to think 14 PSI on an is38 is way different than 14 PSI on an is20

@FoxiferTheWhite Год назад

APR tune*

@mikejames3263 Год назад

@@FoxiferTheWhite Thanks for the answer. I never looked at the is12. My obdeleven is showing approximately 2.7 bars. That's quite a bit, right? Not that I think that's the problem. My misfires are mostly on cold start and low boost as i drive.

@FoxiferTheWhite Год назад

You're pushing 40lbs of boost in an is38 😳 what are you 400-420 Plus whp?

@mikejames3263 Год назад

@@FoxiferTheWhite I just have the ots apr is38 tune. I thought that was a lot of boost too. Its supposed to be 356bhp, i think.

@NobleQnz718 5 лет назад

Would a boost leak throw a CEL?

@_multiverse_ 5 лет назад

Not always. It could throw a p0299 underboost Condition but it's rare. Our Passat has a leak (you can hear it under hard acceleration) but stores a code very sporadically.

@meti903 6 лет назад

How do i check this with vag com?

@user-super-user 6 лет назад

engine measuring blocks 032 i think it is,this has specified and actual its listed as egr but it is maf readings then channel 10 or so is map sensor

@V.A.1987 2 года назад

Let me tell you something it's not only vw and audi it's also skoda and seat in some cases Chrysler and ford galaxy

@mrw1160 Год назад

Not seeing the graph on my obdeleven I have the full subscription huh

@robbylebotha Год назад

Me neither. I think they moved it to "Charts" but the problem there is that you cant search for "Charge pressure", you have to scroll through and infinite list, TWICE. For the amount you pay for the adapter and full subscription, im really disappointed at how bad the UX can be on the app.

@chitown849 6 лет назад

I fell like my forge bov is causing a boost leak for my mk7. Sometimes the bov lets air out when im on throttle... have you ever heard of this problem before?

@willywillywillywillywilly 6 лет назад

ChiTown On full throttle? If you partially release the throttle it’ll let off some pressure. Also, as revs rise, even at full throttle the car uses less and less pressure above 4500 RPM. It’ll peak around 20 there and go down to 15 around redline.

@chitown849 6 лет назад

Willy Willy its weird. Like ill shift into the next gear and go back onto the throttle and some air gets let out

@Spccain 2 года назад

You ever find a fix for it?

@guillaumethibault5041 6 лет назад

Paul i writting you back on email i wait you answer for my stage 2 !!

@jkca1473 6 лет назад

Love your videos, but you guys really gotta get a better website. It's unusable and is costing you business. I would purchase my parts through you but it's so terrible I buy elsewhere.

@Deutscheautoparts 6 лет назад

Sorry we have been dealing with a new site change over that has had a few hiccups. If you have any future issues be sure to contact us so we can get you taken care of.

@usmclugo85 5 лет назад

Well I know I have low boost because it threw me P0299

@joseguzman928 4 года назад

Christopher Lugo 1.Boost Leak 2.Diverter 3.N75 Valve 4.Turbo Wastegate/bad turbo just like mine

@Jubelly 6 лет назад

Can you retrofit a 7.5 infotainment in a MK7?

@Deutscheautoparts 6 лет назад

Its likely possible but this is not something are going to work on

@robybravender8525 6 лет назад

I have a 2003 VW jettea . Sometime will not go reverse . Can you help me. Why

@bootneylee9802 2 года назад

Whay if you hear a popped ballon sound under boost? 🤣😂

@sd6580 6 лет назад

jesus how do you carry your phone

@dacasman 5 лет назад

That's a tablet.

@iangraham6730 4 года назад

Im not happy about obdeleven requiring network connection, if I saw that before I bought it I would not have purchased.. its basically a piece of shit, not everyone and everywhere has internet connection, and this ball of shite let me down when I needed it most.

@t58beare 3 года назад

A year late, but a lot of places have free wifi that you can just park outside of and use.

@nativesumerian2146 2 года назад

I’m sure it’s a good explanation… but for me it’s just too long and I fell asleep. I’ll watch it back another time, for now I’d rather try something else.

@gmarte12 2 года назад

this video has so many views....... lol. and there are not too many audi/vw cars on the road... just shows to show you that german engineering is overated