Mk5 Golf GTI throttle body replacement

[Jimmy No Hands]

I have an 06 GTI with a TB issue, have sourced a revision Q version to replace it with, just wondering how easy this is to do at home, and whether anything needs to be updated via VAGCOM or whether it's just a straight swap.

Thank you for any help.

[Jimmy No Hands]

It has a really intermittent fault, very irregular but eventually will kind of sort itself out. Will randomly go into limp mode and the EPC and ESP lights will illuminate. I scanned it and it had these codes saved; P0221 and P1564. We ran the calibration and the values seem to stay at 88% and 12%, is this how VAG set them or is the throttle slightly sticking? i was going to update with the latest revision TB (which I've bought) but I'm hoping it just needs a thorough clean.

I should add most of the time it's boosting fine and the throttle feels spot on. Hoping it's not an electrical issue but could explain the randomness.

Edited by Jimmy No Hands on Tuesday 28th October 08:00

[Jimmy No Hands]

What would you suggest would be the next step? I've cleared the codes and it was fine all of yesterday evening. I have a replacement TB but happy to keep as spares if the current one is still good. Is it worth giving it a thorough clean? I'd like it sorting really, it is fairly irritating as you can imagine :-( thank you for the help

Edit: we did a realignment too. Will have to see if it resurfaces.

[Jimmy No Hands]

Righto, will do that tonight. Probably easier than struggling with the four bolts. Although getting in and around with the access you have is probably pretty tight too but I'll give it a go! One of the connections looks rather beat up, albeit no obvious splits in the wire itself.

Jim.

[Jimmy No Hands]

Honestly not got around to it, ran out of time last night. Strangely enough, touching wood (oo er) its been completely fine the past two days to and from work. It's booked in with R Tech in two weeks time for a stage 1 and a health check, so hoping it behaves until then.

If it reoccurs I'm going to do as you instructed, time will tell!