So far, I have owned my Skoda Octi for 4 days and already I've come across a fault. :(

Monday, I was heading for work and a duel carriage way came up. So I thought with the lack of traffic and space, I'd see what the PD140 could do. Not much it would seem. Struggled for an age to reach 70 and then wouldn't go anymore. This later proved to be a problem as I tried to pull away from a stop, out of 1st and into 2nd, just no power, what so ever.

Tuesday morning, expecting the same issue, this time, no problem what so ever. Flew past 70 and could easily go more so I backed off. But then, on the way home, Limp mode again. Crawling past people on a carriage way. :S

I am new to the PD engines and VAG in general, as I've owned mostly Rover cars in the past and wanted something more reliable and economical to get to work in. I have a OBDII reader on the way so I hope that might show where to go to solve the issue.

Any advice is highly appreciated.

Blocked/sticky turbo vanes would be my guess.

Turning off the ignition temporarily clears the fault but it will return until fixed.

Did you buy from a dealer or privately?

See this recent thread...

http://briskoda.net/forums/topic/227979-20-pd-tdi-loss-of-power/

Edited 14 February, 201214 yr by silver1011

Blocked/sticky turbo vanes would be my guess.

Turning off the ignition temporarily clears the fault but it will return until fixed.

Did you buy from a dealer or privately?

Would that be a simple fix?

I got it from a used car dealership last Sunday.

Check out the thread linked in my previous post.

I'd ring up the garage in the morning as they should be fixing it for free...

I'd ring up the garage in the morning as they should be fixing it for free...

Agree with Silver there.Its upto the garage to sort that out for you under there warranty.

Garage said that they will have a look this weekend.

Thou I have found that it goes into limp mode mostly on hills. Some research later and a good read of the topic you posted, makes me belive that it is more than likely sticky vains.

Thanks for the help :yes:

It will need a new turbo at an educated guess, as the others have said.

Don't let them fob you off with anything other than the turbo being replaced. Chances are on that age of car they will put you a recon turbo on it.

Might be worth getting it taken to an indie VAG specialist to read the codes and do you a printout before you let the supplying garage get their hands on it. You will probably see multiple instances of a turbo overboost condition.

It will need a new turbo at an educated guess, as the others have said.

Don't let them fob you off with anything other than the turbo being replaced. Chances are on that age of car they will put you a recon turbo on it.

Might be worth getting it taken to an indie VAG specialist to read the codes and do you a printout before you let the supplying garage get their hands on it. You will probably see multiple instances of a turbo overboost condition.

Well had the codes read, Bar one or two other errors, Overboost was there indeed, But only the once. Thou the code reader they where using, dosnt show dates/times. Will VAGCOM show that kind of data? Had been thinking of getting a VAGCOM myself.

As for doing work on the car, I'd take it some where else like Unit18. For a car which they said had been "Serviced" how did they miss the flat knackered spare wheel?

Well had the codes read, Bar one or two other errors, Overboost was there indeed, But only the once. Thou the code reader they where using, dosnt show dates/times. Will VAGCOM show that kind of data? Had been thinking of getting a VAGCOM myself.

As for doing work on the car, I'd take it some where else like Unit18. For a car which they said had been "Serviced" how did they miss the flat knackered spare wheel?

It may be a plus 1K bill if a new turbo is needed so think long & hard before you accept paying for it.

You said in an earlier post it seemed to do it more on hills. Its actually doing it when the cars under a heavier load. Im not suggesting you do this but if you held it flat out in 5th or 6th odds are it would do it again but will have reached a speed somewhat over 70 before doing so

Happened to me on our Mk 1 Octavia - turned out to be a faulty Mass Air Filter - symptoms were exactly as yours - heavy load, extra throttle up hills - went into limp mode then OK after stopping and restarting.

Happened to me on our Mk 1 Octavia - turned out to be a faulty Mass Air Filter - symptoms were exactly as yours - heavy load, extra throttle up hills - went into limp mode then OK after stopping and restarting.

But the OP has the error code logged for a turbo with sticking vanes.

But the OP has the error code logged for a turbo with sticking vanes.

No he doesn't he has an overboost code.

That is presented when there is more boost than the car is asking for. This is often caused by a stick VNT mechanism in the turbo, but could equally be cause by the car suddenly thinking is has much less air in and so asking for much less boost and the turbo not being able to just turn ot off fast enough.

That could be caused by a MAF which is putting out crazy signals at various parts.

Now, I'm not saying it isn't the turbo, as that's far more common, but if they were paying a £65 MAF (fit it yourself) vs £1k turbo it's worth a shot.

Slightly OT, has anyone tried that innotec turbo cleaner on here and does it work without knackering the turbo seals etc?

I thought an form of additives/cleaners was a big no-no on the PD engines???

The innotec stuff is applied directly in to the turbo itself rather than being an additive to the fuel etc. Have never tried it though.

VAG along with most manufacturers forbid the use of fuel additives in any of their engines, but I know of no cases where using them has done any harm. I've tried various diesel fuel additives in my rotary pump, PD and CR diesel cars over the years and not had any problems, but equally I don't think any of them actually did any good either!