Turbo Issues, help much appreciated!!

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Green Machine
Posts: 128
Joined: Wed Jun 10, 2015 10:47 am
I drive a: 1.4 TSI 160
In: Viper Green
With a: Manual box

Turbo Issues, help much appreciated!!

Post by Green Machine »

Hello, I think that I am suffering the known fault on the turbo on 122ps model. I was wondering if anyone knows of anywhere I can get this fixed? Or possibly a way around fixing it myself. Any help would be much appreciated!
Regards Josh.
wakey1512
Posts: 41
Joined: Wed Jun 19, 2013 6:15 am
I drive a: 1.4 TSI 122/125
In: Rising Blue
With a: Manual box

Re: Turbo Issues, help much appreciated!!

Post by wakey1512 »

Sorry for the late response.

Had this before with the turbo causing hesitating and stuttering acceleration. It was the wastegate siezed and causing an overboosting situation because it wasn't opening fully. If you want to confirm this yourself, take the heat shield off the the turbo and you'll see the wastegate arm attatched to a rod going to a vaccum pot. Try work the wastegate arm. It will be fairly hard to push because it will be connected to the vaccum pot. You can disconnect it from the rod and work it by hand to get the most accurate evaluation of it. You can also try removing the pipe to the vaccum pot and connecting a vaccum hand pump to it and seeing if it moves fully with that when you pump it up. If the wastegate moves fully with a vaccum hand pump but not the cars vaccum supply you may have a vaccum leak so it's worth trying these things if you can so that you can narrow it down. Another (uncommon) possibility is the vaccum solenoid playing up. These are the electrical vaccum switches. They open when the cars ECU tells them to and sends a vaccum to the wastegate pot. Also used for EGR on diesels. If this was faulty it would cause issues too.

That said my troubles were due to siezing of the wastegate. I attempted to free it off but it wouldn't ease off. New turbo required.
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Gazfay
Posts: 8
Joined: Thu Oct 02, 2014 10:44 pm
I drive a: 1.4 TSI 122/125
In: Salsa Red
With a: Manual box

Re: Turbo Issues, help much appreciated!!

Post by Gazfay »

I had the same problem with mine sprayed it with wd40 and worked it free worked a charm after that I give it a wee spray once a month just to be safe
sciroccorich
Posts: 152
Joined: Sat Mar 15, 2014 8:10 am
I drive a: GT 2.0 TSI
In: Rising Blue
With a: Manual box
Options: Black Leather, Parking sensors and RNS Satnav/DVD player

Re: Turbo Issues, help much appreciated!!

Post by sciroccorich »

Should either of the two possibilities Wakey1512 described create a fault code? for example over boost situation, seized waste gate arm or solenoid failure.
wakey1512
Posts: 41
Joined: Wed Jun 19, 2013 6:15 am
I drive a: 1.4 TSI 122/125
In: Rising Blue
With a: Manual box

Re: Turbo Issues, help much appreciated!!

Post by wakey1512 »

Yes, usually overboost detected or more commonly boost pressure deviates from the specified value. (Or similar words to that effect)
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