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Engine revs without foot on accelarator

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Took mine into the dealer today for a diagnostic on this issue. After testing, they checked and there is a new tech bulletin from Skoda about this saying that a fix is being developed, just not available yet. Soon as it is they’ll call me to take the car in. So for now it’s +1 complaint logged with Skoda against this issue and I’ve got paperwork detailing it being a known fault awaiting a fix.

 

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  • SFTWARE UPDATE DONE - FEEDBACK. Software update done and  its much better. To explain fully I will say how it was, how it is now, and how it affects pull away   BEFORE: Lift clutch

  • If the feature is calibrated correctly you wouldnt even know it was there. This kind of feature is common-place from all manufacturers these days, so they wont remove it, they just need to make i

  • Well I started this post a short while ago and as we are now almost at four pages it seems a lot of you share my frustration. The 1.5TSI is a lovely engine, as is the Octavia. Low down torque is great

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On 11/02/2018 at 01:31, xman said:

 

Regarding the Miller cycle - As I know this feature as well as the VTG (variable turbine geometry) turbo are available only for 96kW variant of the 1.5 TSI engine so if this issue would be related to the Miller cycle it would only affect the 96kW variant and not the 110kW one. 

Edited by jaroT

On 13/09/2018 at 21:12, DC79 said:

Took mine into the dealer today for a diagnostic on this issue. After testing, they checked and there is a new tech bulletin from Skoda about this saying that a fix is being developed, just not available yet. Soon as it is they’ll call me to take the car in. So for now it’s +1 complaint logged with Skoda against this issue and I’ve got paperwork detailing it being a known fault awaiting a fix.

 

 

Does anyone else have any more info on this?  When you posted i expected a bit more activity in this thread but it's been 6 weeks with nothing?

 

Now with the return of cold weather I'm finding that all the clutch/throttle adaptations I've learnt over the summer are making no difference and it's back to kangarooing in first and second :(

 

 

6 hours ago, jaroT said:

Regarding the Miller cycle - As I know this feature as well as the VTG (variable turbine geometry) turbo are available only for 96kW variant of the 1.5 TSI engine so if this issue would be related to the Miller cycle it would only affect the 96kW variant and not the 110kW one. 

 

I'm totally clueless on this aspect of the discussion so forgive me if I've misunderstood this, but isn't the problem much simpler?  To me it feels as though the algorithm for determining the output throttle position is using the car's throttle input as an override to the driver's input, whereas it should simply choose the maximum of the two inputs, with the car's input capped at ~1000rpm.

/speaks a software engineer, not mechanical engineer! 

^^^ There was a assumption in this discussion by someone I think it was by @xman that this issue could be related with the Miller cycle on what the engine is running but I do not think so since the Miller cycle is used only in 96 kW version of the 1.5 TSI engine but the issue is present at the 110 kW version too so the issue is related to something else then the Miller cycle.  

 

btw here speaks software engineer too :)

Edited by jaroT

Had software update a few weeks ago.  No longer over revs, but it has not made a difference to the jumpy starts.

 

I have literally just got back from Skoda dealer, after dropping off car over night.  They plan to test in the morning.

 

What has me really annoyed today, is the cheek of asking £12 to insure courtesy car.  A car i need to get home, because the one i purchased for several thousand pounds is back in the workshop! 

 

Also take a look at Karoq pages about "1st gear issue" with same engine.

Edited by Salp

Check your car insurance policy, most include cover for use of courtesy cars while yours is being serviced or repaired. Useful to know next time they give you one.

Just checked insurance Xman, only covers courtesy vehicle provided by them in event of accident/claim.  But worth checking thank you.

 

Hoping not to have another courtesy car. . . . . But who am i kidding?   Not holding much hope, given the efforts from all previously in this discussion.

 

 

4 hours ago, MarcReed said:

 

Does anyone else have any more info on this?  When you posted i expected a bit more activity in this thread but it's been 6 weeks with nothing?

 

Now with the return of cold weather I'm finding that all the clutch/throttle adaptations I've learnt over the summer are making no difference and it's back to kangarooing in first and second :(

 

 

I haven’t been back to the dealer and haven’t heard from them. I have been keeping an eye on the Karoq forum where they seem to be keeping the thread alive. I’d expect to hear more stories now that they are starting to ship all those cars they’ve been stockpiling on airfields waiting for WLTP.

Car back from dealer. 

 

Pleased to say, i didn't get charged the insurance cost for courtesy car. . .  Unfortunately no fix (as expected).  The engineer did experience the problem reported, and they confirmed it as a known issue, but as yet Skoda have no fix.  The report sheet described the fault as 'Jerkie' as opposed to ' Jumpy' or 'Kanagaroo', which may be worth noting when describing the problem to other dealers.

 

I mentioned other 1.5 cars reporting the same issues, and believed the service manager when he said they were not aware other "vw" cars having this problem. Incidentally, while talking to him, it came to light, another 1.5 was due in the workshop tomorrow.  It had been described as a different fault. . .  .  .  but that is subject to interpretation of the individual when bookihg in the car.

 

As usual the staff were very friendly and after explaining the history of these forums, i was almost embarrased for them.  It must be a difficult job to be on the receiving end of unhappy customers.

16 minutes ago, Salp said:

Car back from dealer. 

 

Pleased to say, i didn't get charged the insurance cost for courtesy car. . .  Unfortunately no fix (as expected).  The engineer did experience the problem reported, and they confirmed it as a known issue, but as yet Skoda have no fix.  The report sheet described the fault as 'Jerkie' as opposed to ' Jumpy' or 'Kanagaroo', which may be worth noting when describing the problem to other dealers.

 

I mentioned other 1.5 cars reporting the same issues, and believed the service manager when he said they were not aware other "vw" cars having this problem. Incidentally, while talking to him, it came to light, another 1.5 was due in the workshop tomorrow.  It had been described as a different fault. . .  .  .  but that is subject to interpretation of the individual when bookihg in the car.

 

As usual the staff were very friendly and after explaining the history of these forums, i was almost embarrased for them.  It must be a difficult job to be on the receiving end of unhappy customers.

The plot is thickening to our advantage.

The more complaints the better.

Apparently an earlier post suggested there was a service bulletin re this so suprised they didn’t know about the issue.

Try not to feel too sorry for them. 

The problem is across the VAG group, I recently rejected my 1.5 TSi Evo manual T-Roc with exactly the same problem, kangarooing on pull away. T-roc forum has pages and pages on the same subject, same outcome, no fix yet.

11 minutes ago, Jabbafumi46 said:

The problem is across the VAG group, I recently rejected my 1.5 TSi Evo manual T-Roc with exactly the same problem, kangarooing on pull away. T-roc forum has pages and pages on the same subject, same outcome, no fix yet.

Just visited a t-roc forum. Literally hundreds of complaints identical to ours. Sorry for the drivers but it does add weight to our pursuit of a resolution.  

On 31/10/2018 at 19:10, Salp said:

Car back from dealer. 

 

Pleased to say, i didn't get charged the insurance cost for courtesy car. . .  Unfortunately no fix (as expected).  The engineer did experience the problem reported, and they confirmed it as a known issue, but as yet Skoda have no fix.  The report sheet described the fault as 'Jerkie' as opposed to ' Jumpy' or 'Kanagaroo', which may be worth noting when describing the problem to other dealers.

 

I mentioned other 1.5 cars reporting the same issues, and believed the service manager when he said they were not aware other "vw" cars having this problem. Incidentally, while talking to him, it came to light, another 1.5 was due in the workshop tomorrow.  It had been described as a different fault. . .  .  .  but that is subject to interpretation of the individual when bookihg in the car.

 

As usual the staff were very friendly and after explaining the history of these forums, i was almost embarrased for them.  It must be a difficult job to be on the receiving end of unhappy customers.

My Octavia 1.5 SEL now been at dealers since 14th September as dies on emerging onto main roads on several occasions. Dealer has confirmed defect. Skoda Tech cannot come up with solution and I have instigated rejection of 9 month old vehicle. Dealer has been excellent with supplying courtesy car since then until resolved. SKODA Tech  hopeless and need to be honest about problem! Not happy with Skoda organisation but dealer doing best for me and new courtesy car mileage nearly 2000 miles so far!!

Just a reminder this is a problem with all 1.5tsi engined cars, pronounced in manual cars but also seen in some DSG cars. Looks as if across all VAG models fitted with this engine.

 

Skoda dealers mostly in denial, probably under instruction from above 

 

So pleased to find this thread!

 

I recently bought a 6-month old (ex fleet) 1.5 SEL Estate as a replacement for my Octavia II 1.8TSI L&K.  I've been generally pleased with it, but I've been bemused by the behaviour when letting the clutch in from stationary.  I thought the kangaroo starts were a symptom of me needing to get accustomed to the car and have been struggling to find a reliable technique.  As a result of reading these pages, I now know better and will take it up with the dealer when I have the opportunity.  Maybe I should have looked for a late 1.4 instead.  Just have to hope all these complaints will get us somewhere.

1 hour ago, GaryL said:

So pleased to find this thread!

 

I recently bought a 6-month old (ex fleet) 1.5 SEL Estate as a replacement for my Octavia II 1.8TSI L&K.  I've been generally pleased with it, but I've been bemused by the behaviour when letting the clutch in from stationary.  I thought the kangaroo starts were a symptom of me needing to get accustomed to the car and have been struggling to find a reliable technique.  As a result of reading these pages, I now know better and will take it up with the dealer when I have the opportunity.  Maybe I should have looked for a late 1.4 instead.  Just have to hope all these complaints will get us somewhere.

Welcome to the club!!

In the short term either keep revs above 2K or use no revs at all and ease the clutch in gently.

Not  ideal but both methods work for me. Seems that lots are using the 2K method. Hope they sort it soon. Well have no clutch left!!

 

  • 2 weeks later...

Watchdog would be very interested in all this

I took my car back to the selling dealer yesterday having reported the excessive revs when engaging first update.  They seemed well aware of bulletin 2049644/2, so it's a pity they didn't see fit to apply it before I collected the car last month.  Anyhow, they applied an ECU update.  I'm not able to identify whether they installed the minimum version specified in the bulletin (version 6019) or a later one .  They were at pains to point out that the anti-stall feature would still increase the revs, but to a more manageable 1200-ish rather than 2000.

 

It certainly seems to have cured the excessive revs and I drove 30 miles home through fairly traffic without encountering any kangaroo behaviour.  I'm keeping my fingers crossed!

 

Gary

Is this resolved.  My Octavia, now two weeks old, revs to 1250 when releasing the clutch (with no throttle).  I think it drops quickly to about 1000 just before the clutch engages.  idle is 850rpm.  I guess this is normal and acceptable.

  • 1 month later...

Having just recently purchased an Octavia, I was facing similar issues as posted here.  I took it back today and a software update was applied and it seems to have solved the issue. I will report back if this is not the case. 

  • 5 weeks later...

Sorry but I am also new to here and thought you may be interested to hear that  I have exactly the same problem with my albeit VW Golf with a 1.5TSI EVO engine. It has been back twice to vw garage and the dealer insists there is no problem despite revving to 2000 rpm.  I am so fed up with this as it make pulling away almost uncontrollable.  I have got nowhere with the dealership.  Just thought I would let you know that it is not just confined to Skoda.  Sorry for the intrusion.

 

  • 3 months later...

Hi,

Had our our Octavia 1.5 TSI SEL ACT  for 5 weeks now, we have had similar problems with it as reported on this forum. Sluggish when cold, especially pulling away in first, and  engine revs rise to 1400-2000 when warm when lifting clutch with  no accelerator input, impossible to get into first gear in slow moving traffic. (With aircon on only rises to 1200 rpm, probably due to higher idle speed) . Booked in with Dealer (Marshall Leicester) for them to look at it. Will report back. 

Our car was returned to dealer 4 weeks ago for further testing, 18 months after purchase and still unresolved.  We commence proceedings to reject car this week.

 

i dont blame the dealer, they are stuck in the middle, but 18 months of "we will get in touch, when we have update from Skoda" must come to an end,

Just an update on my previous post. Car taken in last week, explained the problems with the car and left it with them.  The next day they phoned to say the car is ready to be picked up. The service engineer explained that a  software upgrade had been done and that this should cure the revving to 1500-2000 when lifting the clutch, and that Skoda are working on an upgrade to solve the low speed hesitance and that should be ready in a few weeks.

I was apprehensive that the over revving would be solved, but within 5 minutes of  setting off for home, wow! its a completely different car, no more slipping the clutch in traffic, just a very smooth increase in revs (as it should be). The engine now revs to about 1000 RPM when the clutch is lifted with no accelerator input, but that is fine.

Will post what happens when the second upgrade is done.

By the way the dealer,  Marshall Skoda of Leicester, has been great,

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