Just spoke to Skoda UK again about this and they still maintain it is a characteristic of the engine and therefore no fix is available. If you find out anything different could you please post a reply.

Many Thanks

When we had problems with the old Superb they were just "characteristics" of the engine as well, not design faults as I tried to point out. After months of arguing that was followed from Skoda by "your contracts with the dealer not us so if you arent happy sue the dealer" I guess I wasnt one of their happy customers after that !!!!

Jesus this is getting like the Dave and Nick show!!

Have you two considered forming a government?!!

Only if I get to be PM.

When we had problems with the old Superb they were just "characteristics" of the engine as well, not design faults as I tried to point out. After months of arguing that was followed from Skoda by "your contracts with the dealer not us so if you arent happy sue the dealer" I guess I wasnt one of their happy customers after that !!!!

That just about sums up where I am.

Well to take up the suggestion they gave to Stuart... if it is an issue, then sue the dealer.

When people realise that's the only way to get some issues resolved and start doing it, then things might get fixed.

Only think I can think it would obviously be is fuelling getting disrupted, because how else would a hill crest or bump affect an engine?

I am however not a trained mechanic, so could be well out.

Since first reporting this http://briskoda.net/forums/topic/150025-negative-g/page__hl__negative I have driven the same road loads of times and found that if you apply some throttle immediately before the crest then you don't get the effect.

If you go over the crest backing off/trailing throttle then you get this odd 'fuelling' type hesitation.

As I said originally, I drove the same roads loads of times in my PD vRS without any issue at all, so CRs only.

Well to take up the suggestion they gave to Stuart... if it is an issue, then sue the dealer.

When people realise that's the only way to get some issues resolved and start doing it, then things might get fixed.

Only think I can think it would obviously be is fuelling getting disrupted, because how else would a hill crest or bump affect an engine?

I am however not a trained mechanic, so could be well out.

First thing to do is get an independant engineer to asses the car, many companies who do insurance assesment or crashed cars also have people skilled in mechanical disputes. If you have an engineers report in your favour that will carry some clout, if you colud arrange it with someones whose dosent play up to try both it would help your case even more.

I also tried the institude of motor manufacturers & traders but it became aparent how well their funding by the industry decides who they favour

My problem was with the DPF & at the time there was little experience of them & as we all now know being useless is a characteristic of DPF's so would have been a hard battle. I was trying to prove Skoda knew about the limitations of the design & I should have been warned of how it should be driven as it was not like a normal car before they accepted my order, now it appears its in all the handbooks etc.

Its a hard battle & when you get to court based on another members experiences with the Fabia "hickups" mysteriously Skoda fund & I believe supply legal help to the dealer if there is a risk the judgement may benefit other owners.

Edited 13 May, 201016 yr by Stuart_J

the hesitation thing happens to me.

neither trailing the throttle or backing off and it still happens.

I get this too and I always wondered what it was - go over the crest of a hill at speed, get some negative G and it's like you've taken your foot off the throttle when you haven't and it feels like engine braking is going on. Very weird.

Mentioned it to the dealer just as general hesitation and they found nothing wrong but if this is happening on VAG CR 170's in general then I wouldn't expect them to find anything wrong. Hell, they can't even hear the wind noise on the O/S rear door so I now have to seal that myself, or the tapping AC flaps, and it took 2 attempts to get them to flash the Stream HU to stop the popping noise like a gun going off. Useless.

I purposely came home via two "humps" (on the road before anyone brings the tone down ) and didn't notice this on either of them... Guess I'm lucky and got one that isn't affected

Edited 14 May, 201016 yr by Raglits

Are we talking speed humps? For me that's not enough, I need to go over the crest of a hill onto a sudden decline on gentle throttle and it feels like I've taken my foot completely off the throttle when I haven't. Feels quite freaky. And I can always get it to do it on the same points on the same roads. The B1249 from Scarborough to Driffield is a perfect example.

Are we talking speed humps?  For me that's not enough, I need to go over the crest of a hill onto a sudden decline on gentle throttle and it feels like I've taken my foot completely off the throttle when I haven't.  Feels quite freaky.  And I can always get it to do it on the same points on the same roads.  The B1249 from Scarborough to Driffield is a perfect example.

No, I'm talking humps in the road that are almost like hump back bridges...

Are we talking speed humps? For me that's not enough, I need to go over the crest of a hill onto a sudden decline on gentle throttle and it feels like I've taken my foot completely off the throttle when I haven't. Feels quite freaky. And I can always get it to do it on the same points on the same roads. The B1249 from Scarborough to Driffield is a perfect example.

Mine is the same as yours except it will also do it round some corners. Usually the same ones.

If you get a large dip in the motorway it will also hesitiate. You are right it does feel very odd.

After much testing and asking the VW tech they did experience it but as I have said before they don't have a fix. Skoda UK said if enough people complain they may take notice.

With the fabia hick it seemed to be cured on all cars that were remapped, Does this problem effect remapped Octy's, Might be worth asking that question. Then if it dosent the answer is a remap orif you dont want a full remap see if any tuners know whats causing the Octy problems & if they can just tweak the Stock map. I get the feeling with many of the new emission laws manufacturers hands are being tied more & more as to how they can tune stock cars & its all comprimises.

With the fabia hick it seemed to be cured on all cars that were remapped, Does this problem effect remapped Octy's, Might be worth asking that question. Then if it dosent the answer is a remap orif you dont want a full remap see if any tuners know whats causing the Octy problems & if they can just tweak the Stock map. I get the feeling with many of the new emission laws manufacturers hands are being tied more & more as to how they can tune stock cars & its all comprimises.

Good point.

The Fabia thing though was the EGR valve and most maps turn this down or fuel round it. This appears to be affected by centrifuge rather than deliberate injection of excessive amounts of exhaust gas and I'm not sure you could map that out.

I won't mention this to my dealer to be honest as it's more hassle than it's worth until VAG come up with a fix. Means dropping the car off for a day and having to be ferried to and from the dealer, only to be told NFF (no fault found) as the computer said there were no faults. Hmm, awesome diagnostic techniques there.

Mine does it too, as I wrote in the other thread. Only certain humps too, and ONLY if I have the throttle on. If no throttle then the engine is not powering anyway, so how could If you go over the crest backing off/trailing throttle then you get this odd 'fuelling' type hesitation. makes any sense? The 'throttle suddenly being taken off and a feel of braking, can hardly happen if there is no throttle on! The braking effect os not felt either. As it happens the correct way to go over ahum in the road is to power on as you go over the ridge, so I haven't ever tried running over with no throttle, or backing off.

Mine does it too, as I wrote in the other thread. Only certain humps too, and ONLY if I have the throttle on. If no throttle then the engine is not powering anyway, so how could If you go over the crest backing off/trailing throttle then you get this odd 'fuelling' type hesitation. makes any sense? The 'throttle suddenly being taken off and a feel of braking, can hardly happen if there is no throttle on! The braking effect os not felt either. As it happens the correct way to go over ahum in the road is to power on as you go over the ridge, so I haven't ever tried running over with no throttle, or backing off.

It makes sense because as you go to put the power back on, you get a hesitation.

If you go over the hump accelerating, rather than backing off/trailing throttle, then it minimises the effect.

Anyone tried this with ESP turned off? Turned mine off on the stretch of toad that makes this effect the most noticable and it didn't do it. Whether it was me looking out for the issue and not having the correct circumstances I'm not sure but as has been mentioned it's under gentle throttle or when reapplying gentle throttle after using engine braking. It's a strong hesitation too, like the car is dabbing the brakes slightly. Can someone else try this? The road I normally feel this is on 80 miles away.

still did it on mine on the evo triangle with the esp off.

Damn. Ah well worth a try. I thought it felt like the car dabbing the brakes to keep me on the straight and narrow. :(

Anyone tried this with ESP turned off? Turned mine off on the stretch of toad that makes this effect the most noticable and it didn't do it. Whether it was me looking out for the issue and not having the correct circumstances I'm not sure but as has been mentioned it's under gentle throttle or when reapplying gentle throttle after using engine braking. It's a strong hesitation too, like the car is dabbing the brakes slightly. Can someone else try this? The road I normally feel this is on 80 miles away.

Tried it with the ESP on/off, same effect.