My sons Octavia estate went in last week for the "shim fitting to turbo" product enhancement. Alas my son says it made no difference whatsoever to the 4-6 second turbo lag problem that he experiences quite often.

More disturbingly a few days later the EM light came on and the radiator fan came on full pelt whining loudly up and down speed randomly and continuing to run for up to a minute after switching off.

The car went in today, the dealer said the fault diagnosis said "check temperature sensor" and "wiring" both of which were tested as OK. Car is currently still with them awaiting technical assistance from Skoda UK.

The dealer assures me that the problem is not related to the "product enhancement" but it does seem a bit of a coincidence. I cant establish whether they reflashed the ECU or "changed the adaptions" as the service guy in reception insists all they had to do is to add a shim.

Edited 13 April, 201214 yr by xman

1.2 in an Octavia , does it even move with an engine so small in a big body, never knew there was such thing sorry off topic.

1.2 in an Octavia , does it even move with an engine so small in a big body, never knew there was such thing sorry off topic.

It's a turbo.

It's not the size it's the power.

Ford now have a 999cc turbo producing 123bhp in the new focus

It's a turbo.

It's not the size it's the power.

Ford now have a 999cc turbo producing 123bhp in the new focus

Ye and zero torque ;(

Ye and zero torque ;(

Have you actually driven one or is that just a random, uneducated statement?! With 200nm of torque available on the 1 litre ecoboost engine, it's certainly what id take over any weedy normally aspirated 1.6 or 1.8 engine! The Yeti is even heavier and less aerodynamic and does very well from the 1.2tsi unit. 175nm torque which is available from 1500rpm, flat to over 4,000 rpm makes the power very useable. :-)

Have you actually driven one or is that just a random, uneducated statement?! With 200nm of torque available on the 1 litre ecoboost engine, it's certainly what id take over any weedy normally aspirated 1.6 or 1.8 engine! The Yeti is even heavier and less aerodynamic and does very well from the 1.2tsi unit. 175nm torque which is available from 1500rpm, flat to over 4,000 rpm makes the power very useable. :-)

I predict a response from David along the lines 'I've been a mechanic for 12 years so I know what I'm talking about'.

And my response woud be something along the lines of 'well I have actually driven them and i come from a background of having owned 300+ bhp cars....'lol

I predict a response from David along the lines 'I've been a mechanic for 12 years so I know what I'm talking about'.

Was thinking along those lines myself

And my response woud be something along the lines of 'well I have actually driven them and i come from a background of having owned 300+ bhp cars....'lol

U Obviously havnt seen my past cars lol

Sorry guys didn't realize they had so much torque that's impressive,

@ jonno thanks once again for ur input

Jes u can't say anything around here without getting shot down ;(

Edited 14 April, 201214 yr by Davidsr20

@ Xman As far as I am aware their should be an ECU upgrade when the shim is fitted. (Thats what I was told by a Skoda Tech).

@Davidsr20, Not only does the 1.2 move the octavia along, it does so suprisingly well. If you drove the car not knowing what engine it had, you would assume it was a much bigger engine.

Feels like a 1.6 n/a petrol, but with better torque !

I would go so far as to say, even the quoted 105hp seems like its well underestimated.

Edited 14 April, 201214 yr by Mr Grump

Everyone who was in my fabia 1.2tsi could not get over the fact that it was a 1.2 especially going around the roads here in the welsh valleys

It's not the cubic capacity of the engine that determines its power, it's rate that you can stuff the air & fuel charge through it. So a super-charged turbo little 'un beats a normally-aspirated big 'un.

It's not the cubic capacity of the engine that determines its power, it's rate that you can stuff the air & fuel charge through it. So a super-charged turbo little 'un beats a normally-aspirated big 'un.

Yes but cubic capacity determins torque and normally very hard get big torque from small cc.

Ah yes, but torque is also determined by volumetric efficiency, so a 1.2 charged motor can be made as torquey as a 1.6 normal.

So I suppose a remap is a very difficult way to get big torque from a small capacity turbo engine such as say a 2 litre unit fitted to an octy vrs??

Actually even the lower powered (85bhp?) version of the 1.2tsi shifts quite nicely in the fabia.

My main worry about mechanics (technicians now) is they dont get to test drive customer cars as often as they used to. Test drives sometimes more than diagnostics give a better understanding of issues and clearly educate at the same time..

Edited 14 April, 201214 yr by richarde

So I suppose a remap is a very difficult way to get big torque from a small capacity turbo engine such as say a 2 litre unit fitted to an octy vrs??

my stage 1 has more torque than an M3 :-)

@ jonno thanks once again for ur input

You're welcome matey, everyone got to expect some p1ss taking every now and then lol ;-)

Exactly, so it is not unreasonable to assume a turbo 1.2 can, easily, have the torque of a 1.6 or 1.8 just maybe not to a mechanic...

At least it keeps the fun levels up! Suppose forums would be dull without a bit of banter

Getting back to the problem in hand....

@ Xman As far as I am aware their should be an ECU upgrade when the shim is fitted. (Thats what I was told by a Skoda Tech).

Well it seems as if the problem has got Skoda UK Technical stumped as they have told the garage this morning to check out all the wiring loom.

I'm still of the mind that the fault is related to the work they carried out. It would be helpful if some Skoda Tech (like Tech1e) could confirm the full "product enhancement" procedure - do they upgrade the ECU and how do they "change the adaptions"? A reference number for the procedure would be of great help. Thanks.

Just too clarify, by ECU upgrade, I meant a software update not a change of ECU

Just too clarify, by ECU upgrade, I meant a software update not a change of ECU

Yup, I realise that.

I have recently driven a 1.4 tsi and after a 2.0 tdi my next octavia will definitely be a 1.4.what a fantastic sweet engine and more powerful than i ever imagined,looking forward to next may already,if i can afford it! and at 122bhp it goes like stink!!

I had a 1.2 tsi yeti as a loan car & was very impressed with how well it went,i had to have a look under the bonnet as i couldnt believe it was a 1.2 as it said on the key ring.

Back to the OP's question;

I reckon its just a coincidence to be honest however it's a moot point as surely it will be covered under warranty anyway..............