P0121 fault code fixed for free. Audi/VW/Skoda/Seat 2.0 TDI engine. Throttle body cleaning/repair.

Hello guys!
#AlexTheGrumpyOne here with another video for you :)
This is a quick video on how to fix your P0121 fault code that is causing an engine light to be on and causing limp mode and etc.
Very common issue on 2.0 TDI engines including Audi/VW/Skoda/Seat.
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Here is the link for the EGR/Throttle body cleaner:
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Manual tools:
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If you need anymore help, just let me know and I can even do it in few different languages : English, Portuguese, Spanish, Russian and Ukrainian.
Before you go don´t forget to Subscribe, like and share :)
Comment below to let me know where are you from and what you think about my video :)
Equipment used to film:
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Thank you!
Obrigado!
Спасибо!
Дякую!
Gracias!
Good Luck and Stay Safe!
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[@mricemantoyou]

Thanks for this, just did the Mrs Q3 TDI, it was having issues with the stop start not restarting.. fiddly job, I would never have got it done without this video. Sto start works properly and it's running better now... 👍

[@AlexTheGrumpyOne]

Awesome 👌 well done 😀

[@Nikon-yg7mj]

Useful video thank you. I’ve just completed this on my Audi A3 1.6tdi. Had been having jerky throttle response at low speed. Seems to have improved it but mine wasn’t anywhere near as dirty. Anyone trying this on an A3 you’ll find there’s very little space to work and putting the hose back on is torture and I’ve got small hands. If you’re the Hulk then forget it.

[@AlexTheGrumpyOne]

Awesome 👌 well done and thank you for sharing extra info 😀

[@Be.shop89438]

Bro i have the same issue with my audi a 3 can you help me

[@jonbaker502]

Thank you exactly what I needed. Mine was even more clogged than yours - so Im amazed the car worked at all. Fixed.

[@AlexTheGrumpyOne]

Awesome 😀 well done 😀

[@FutureCityAmbient]

How did you feel the fuel consumption changed after cleaning it ?

[@scootingmonkey2526]

Excellent video. Took mine off and it was coked up just like this

[@AlexTheGrumpyOne]

Thank you 😀 good old clean and my one is still good

[@danpugh4529]

👌🏼 Thanks Alex!

[@AlexTheGrumpyOne]

U are welcome 😀

[@JamesW577]

Very useful video. How would you clean the area between throttle and air intake valve?

[@AlexTheGrumpyOne]

If you take the seal out u can use a very fine sand paper

[@MrZimmaframe]

I bet if you did a "day in the life as a mechanic" it would be quite popular.

[@AlexTheGrumpyOne]

Haha I think people wouldn't appreciate my language in my normal day and the abuse and inappropriate conversations haha

[@MrZimmaframe]

@@AlexTheGrumpyOne 😂 lol well I meant when you're doing a job and not swearing. 😄

[@MrZimmaframe]

@@AlexTheGrumpyOne Also a Toolbox tour would good. One for your work and the one in your unit. 👍🏻

[@AlexTheGrumpyOne]

Haha yeah I had a few people telling me to be more natural and normal... for some reason me in my videos is very different from what I'm like at my day to day job

[@MrZimmaframe]

@@AlexTheGrumpyOne I think it is good how you are in videos, very professional and no swearing, companies that will send you stuff will want someone more professional. I just think the day videos with mechanics are quite good to watch. It target people not just trying to learn but also for entertainment seeing someone else working. 😀

[@paullewis8281]

Thanks very useful

[@AlexTheGrumpyOne]

Awesome 😀 u are welcome

[@jeredmattson9]

great video! my tdi wouldn’t start in the cold yesterday. got it jumped (battery was low) and glow plug light was flashing and check engine light were on. charged battery, started this morning, glow plug light gone but still reading “P0638 Throttle actuator control range” code. would that be same thing? coincidence it could be dirty and not start or could it be from low battery and -20* temps and needs to be cycled? thank you!

[@AlexTheGrumpyOne]

Hi it is possible. Sometimes due to voltage differences it can create a fault and etc. Have you tried to clear it?

[@jeredmattson9]

@@AlexTheGrumpyOneyes i tried and it said “permanent”. just seems odd that it would appear when it wouldn’t start because of the low battery in cold weather

[@karlholtby]

Great video and explanation. Forgive by ignorance, I'm useless with cars. But I have this error code on a Skoda Yeti, if I got a competent mate to do this job would this video be relevant? Thanks in advance.

[@AlexTheGrumpyOne]

Thank you. If your engine is 2.0 tdi then it will be the same 😀

[@karlholtby]

@@AlexTheGrumpyOne it is! Thanks for the quick response. Much appreciated 👍🏻

[@AlexTheGrumpyOne]

@karlholtby no worries

[@gianitanase9441]

Good

[@dylandegnan4497]

Hi my exhausted valve is coming up went and got a new motor to open valve on exhaust unplugged them Audi s3 when I have it in sports and speed EPC light comes on and feels like it’s shaking ? Any help I think it cools be this Audi s3 2018 79k miles

[@coiamo]

I relay dont understand where all that dirt is comming from as it is only air that passess the throttles and there should be a an air filter filtering the air anyway

[@AlexTheGrumpyOne]

Unfortunately it's not just the air. It's air that gets mixed with EGR air as well... for the emission control purposes.... which is the main cause of most engine issues and engine lights and etc...

[@coiamo]

@@AlexTheGrumpyOne I wasnt aware the egr air passes the throttle. That explains it.

[@AlexTheGrumpyOne]

@coiamo yes unfortunately it does 😞

[@DeanSmith3935]

Got an 09 A3 2.0l tdi showing fault P2196 (O2 Sensor Signal Stuck Rich Bank 1 Sensor 1) could this be a blocked dirty throttle body?

[@AlexTheGrumpyOne]

It can be, but I doubt it. I would suspected blocked sensor or faulty sensor

[@nh-ug1iv]

I replaced ny throttle body and the reset the fault code through an obd. But the fault code still appears, could replacing the pedal (pedal position sensor) fix the problem or do i need to reset the value on the throttle body?

[@AlexTheGrumpyOne]

I would try and reset the throttle body first

[@Lickabit]

I replaced my throttle body and now my fuel paddle is not responding. A3 2.0 tdi Audi. What can i do?

[@AlexTheGrumpyOne]

Have you disconnected the battery? Have you go diagnostic tool?

[@Lickabit]

@@AlexTheGrumpyOne ...I did disconnect the battery yes. I think I must go for diagnostic

[@AlexTheGrumpyOne]

Yes u might need to reset the learn values

[@dannedorea2086]

Hi my friend Passat 2012 2.0 TDI SAME IM use russian language because is more comfy for me in this question😅 Не могу открутить 3 болта,чем ты их открутил и закручивал обратно?Там обычная резьба или откручиваютса наоборот?Не хочу что-то сломать,уже второй раз пробую,держатся замертво😅

[@AlexTheGrumpyOne]

Hello there. They are Torx 30 sockets for them 😀 3 bolta e ani T30. Mojete eto videty na 5:00 v video.

[@iandawson2309]

Do u have to unplug the battery as does this mess your radio up

[@AlexTheGrumpyOne]

U can do it without unplugging it

[@TheMOVEment123]

So What screwdriver (what size) for throttle bolts?? Please help!

[@AlexTheGrumpyOne]

They are T30

[@TheMOVEment123]

@@AlexTheGrumpyOne Thank you so much !!!

[@AlexTheGrumpyOne]

@TheMOVEment123 no worries

[@alexmilne7634]

Hello mate, just wanted to know/confirm so you need to electrically reset the throttle body once you re-plug it back in or does ir just work straight away? Wanting todo this on my 2.0 TDI 170 Scirocco can you just press the accelerator down, turn the key, then release the pedal, remove the key?

[@AlexTheGrumpyOne]

Hi there. No u can just need to unplug the battery for 5 min.

[@alexmilne7634]

@@AlexTheGrumpyOne Thank you, as you say in the video confirming the disconnect will reset it all anyway 🙂

[@AlexTheGrumpyOne]

@alexmilne7634 yep it should do 😀

[@alexmilne7634]

@@AlexTheGrumpyOne That’s ace mate, thank you! You are always a massive help!

[@AlexTheGrumpyOne]

@alexmilne7634 thank you very much 😀

[@MrEJD]

Hi mate I’ve got this code and throttle response is rubbish so it’s going to the garage tomorrow, but also does this affect anything to do with turbo?

[@AlexTheGrumpyOne]

It can as it would affect the air flow

[@MrEJD]

@@AlexTheGrumpyOne thanks for your reply, my turbo has been louder lately and sirens more than normal, I pray I don’t need a new turbo!

[@AlexTheGrumpyOne]

@NotoriousFaZeDx hmm if uts louder then it's a possibility. Needs checking the play in it and also the actuator

[@MrEJD]

@@AlexTheGrumpyOne found out it’s the egr valve knackered:/ going to be £700 unless I get the egr deleted:/

[@AlexTheGrumpyOne]

@NotoriousFaZeDx I usually get EGR delete with map done in the same time. Around £250 and either more power or better fuel economy and no more EGR crappie issues

[@MrZimmaframe]

I wonder why these get so badly Carboned up? I have the old pd type engine bkd and I cleaned mine just because I thought it might need a clean and it wasn't too bad at all.

[@AlexTheGrumpyOne]

Mate PD engines are the best thing u can get. Specially with that vacuum operated EGR at the top. Only £50 to replace 😀 no dpf or any other useless improvement...

[@MrZimmaframe]

@@AlexTheGrumpyOne That's why I have never got rid of it lol 😆. It's on about 172,000 miles and still drives great. For a period of time it kept going into limp mode (cus of overboost), tried cleaning the turbo veins, checked for boost leaks, checked all my vacuum lines, checked turbo actuator with vacuum pump and it was all good, so maybe a sensor I dunno they were all read ok, I dunno. But recently after a long holiday drive it has stopped doing it lol, so it's fine by me now 😄.

[@AlexTheGrumpyOne]

Haha fair play. Well it's usually boost leaks on the turbo pipe joints actually. But turbo does go on them

[@MrZimmaframe]

@@AlexTheGrumpyOne Yeah i have already change the common one to go which is the one coming out of the intercooler, but i might change the 90 degree one coming out of the high pressure side of the turbo, noticed the other day it was a little moist around the connection.

[@AlexTheGrumpyOne]

Yeah I would as its only around £20

[@michaelnomura5196]

Not Torx. It’s a hexagon.

[@MrGustafsson96]

Did my 2011 Touran 2.0 TDI and it was even worse than that😢

[@AlexTheGrumpyOne]

Thats not very good 😞 well done its done now

[@paho188_iron_phill4]

hi can throttle body cause bad start and jumping idle speed? i have fault code P1588

[@AlexTheGrumpyOne]

Yes it can do. Have you replaced your fuel filter?

[@paho188_iron_phill4]

@@AlexTheGrumpyOne i cleaned EGR valve, body throttle and i still have jumping idle speed...no i didnt replaced fuel filter maybe thats the cause?

[@AlexTheGrumpyOne]

Yes usually in 70% of the cases blocked fuel filter or bad fuel.

[@lanoire4710]

Is this the same on a 2012 VW Scirocco TDI?

[@AlexTheGrumpyOne]

Yes it will be on that model code

[@tomhodges3667]

Hw do you get to that back bolt!?

[@AlexTheGrumpyOne]

Just with a little ratchet and extension

[@JancziV]

Hi there. Can someone tell mé dimensions of those bolts? Please

[@michaelnomura5196]

Not Torx. It’s a hexagon.