Had the emissions update done

Darren92

Registered User
If they need the port for diagnosis you're only going to cause them hassle, don't do anything to the car, just tell the service advisor you don't want the update.
 

ruairi83

Registered User
Just tell them you don't want it and you will have to sign a piece of paper. I did this and also made sure services knew as its my car not Audis.
 

Darola

Registered User
Had the update done on my A5 2.0TDI around 3 weeks ago and whilst the drive and power feels the same it's definetly doing less MPG. Used to get 480 to 520 to a tank and it now seems to have dropped to around 410 to 430. Done around 1000 miles of my usual commuting and am only managing 38mpg if I drive 'careful' where as before I didn't even think about it and would always get over 40. Going to give the dealer a call tomorrow, but I'm not holding my breath....
 

feva

Registered User
Had the update done on my A5 2.0TDI around 3 weeks ago and whilst the drive and power feels the same it's definetly doing less MPG. Used to get 480 to 520 to a tank and it now seems to have dropped to around 410 to 430. Done around 1000 miles of my usual commuting and am only managing 38mpg if I drive 'careful' where as before I didn't even think about it and would always get over 40. Going to give the dealer a call tomorrow, but I'm not holding my breath....
My figures off the dash per tank are showing less than before the update, but so is @Chris90 who hasn't had it done. Mines in for a MOT (indy)end of the month then I'll be popping into main dealers once the weathers changed(hopefully), so I can rule out the cold weather as the possible effect.

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Edit: just finished work so had a look at dash figure (topped up on the way to work) and it's now 10 miles per tank less. Which is nothing so think the milder weather we've had lately might be why the figure had gone back up?
 
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JRock247

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VCDS Map User
Had the update carried out on my 2011 A4 2.0TDi Auto and have done about 2000 miles since. My impressions so far are a bit mixed.
No issues with power and the MPG figures but what I have noticed is the throttle seems much more responsive then before and holds the gears longer than it used to. Trying to get it to cruise in a low gear is much more difficult and I have to be VERY gentle with the throttle otherwise it will hold the gear higher than usual. I notice it more on the motorways, 70 'ish' mph on the motorway and pull into fast lane and with the slightest push on the throttle, it drops to 7th which it never used to before. It used to annoy me a little at how quickly it would get into the high gears. They mention nothing about gearbox update or re-map, etc. I don't understand it but throttle feels different than before the update. Not mentioned to Audi....yet, wanted to let the car settle in for a few miles first. Anyone having the same experience?
 

JRock247

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VCDS Map User
Maybe just down to how the gearbox handles the new map on the engine.
 

Chris90

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A few have mentioned the update dictates how the autobox changes gear. Makes sense if they can adapt it to a better emissions benefit if they were doing 'real life' tests whilst driving for NOX.

http://www.fuelly.com/car/audi/a4_quattro/2012/carsey/432889

Theres the link to my 'fuelly' logs which shows MPG. Will say its a quattro, so a bit of lee-way should be given since its 4x4. Guess the few lower values were where put foot down more. Typically see around 38MPG (as the trip computer says too) but can get it higher in the summer months with driving carefully, less throttle, longer coasting etc. 450miles to a tank aswell.

To be honest, im not going to get the update, heard too many stories about it now and hearing issues from people regarding EGR valve problems off a couple mechanic friends on the old facebook, so its enough for me to not get it done.
 

Gazwould

Registered User
Here's an A5 before and after dyno .

2017-02-25 12.22.39.png
 

SteveMcB

Registered User
Interesting, if I'm reading this correctly it means torque and BHP are considerably down at the lower end of the rev band?

If so I'm even less likely to get the Golf done now.
 

Chris90

Active Member
VCDS Map User
Looks like they just pulled some values before 2600rpm in the mapping. makes sense
 

DrEskimo

Registered User
Here's an A5 before and after dyno .

View attachment 118439

Worth reading the chaps post to explain why you shouldn't read too much into those posted Torque figures...

[QUOTE\]Hi BIG

Don't get too hung up on the torque values. All I asked for at the dyno station was peak power results.
This I was satisfied with.
Both tests were done in 4th gear only. That was gunned at 1500 revs.... So both charts only reflect 4 gear acceleration results.

For your information during the return visit after the update he did have trouble with slippage on his rollers which he resolved with some spray for traction.
This may have shifted the graph to the right slightly. Once the traction issues got resolve.

May explain your differences in your chart.

All i can say is get yours done on the dyno, mine cost £50 per visit.
I just thought I would share this with everyone so they could resolve any reluctance issues to get AUDI to do the work. I was very skeptical at the time.

But I still stand by what I can feel in the car. It does still pull slightly better at ~1500revs upwards.
However yours is the 177 PS .... May be different.

P.S. Had to disconnect the ABS wiring I only have a 2WD car so rear wheels were not turning....ABS did keep coming on..[/QUOTE]
 

Chris90

Active Member
VCDS Map User
Graph looks identical to the ones in the A5 thread where the guy had it done.

Sorry, but its all about the delta gains, the values that were shown in Gaz's post would have a HUGE effect on how the car felt to drive udner 2600rpm. People always get strung up on peak figures. The case is totally wrong, they are only good for down the pub and doesnt reflect on real world performance of the car.

Audi clever in how they market it as says no loss in power or torque.....theres not if you look at the peak figures where the car would be sold on, however, the dyno plots ive seen, show a completely different story.
 

DrEskimo

Registered User
Graph looks identical to the ones in the A5 thread where the guy had it done.

Sorry, but its all about the delta gains, the values that were shown in Gaz's post would have a HUGE effect on how the car felt to drive udner 2600rpm. People always get strung up on peak figures. The case is totally wrong, they are only good for down the pub and doesnt reflect on real world performance of the car.

Audi clever in how they market it as says no loss in power or torque.....theres not if you look at the peak figures where the car would be sold on, however, the dyno plots ive seen, show a completely different story.

It is the the graph from A5OC. As said, look at the guy who posted those figures.

I imagine it has major implications on the conclusions you draw. I'm not mechanically minded, so don't know the ins and outs of how these things can effect the interpretation, but I'm very interested to hear people's input that do.
 

Radford212

Registered User
Well I've got mine booked in for the 17th of march to have the update done. Not sure how what to expect now after reading everyone's different views and experiences.
Guess I'll just have to wait and see what happens.

Radford212
 

NickN1

Registered User
Hello,
I had my Audi A3 2.0 TDI 170bhp 2011 plate emissions update done.
It now feels like its gone from 170bhp with loads of torque to 120bhp with much less torque in 1st and 2nd gear.
Also the MPH is miles less.

I've contacted Audi service centre and they've said it wont make a difference, but it has as i remember getting wheel spin in 1st and 2nd gear.
Can anyone recommend a trustworthy re-map / rolling road place in or around Leeds please?

Cheers
 

Archies

Active Member
VCDS Map User
Get it on a rolling road, iff after the update the power of the car is less than it was contact Audi Uk on Facebook.


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Archies

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Compare it to before and after the update


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Archies

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I think the update reduced bhp, so if it's put on a rolling road before and after you can blame Audi and make them put the car back to original or give you compensation


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feva

Registered User
Think you'd struggle if you don't have the car dyno'd at the same place before the update. As jdp has said.

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DrEskimo

Registered User
I think the update reduced bhp, so if it's put on a rolling road before and after you can blame Audi and make them put the car back to original or give you compensation


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The peak BHP is very very unlikely to be lower than the quoted figure.

There is no way Audi would of released a software update that meant the cars produced lower output. They would be setting themselves up for a complete slaughtering from angry customers demanding combo. So easy for members to check.

Also if you read the earlier posts, there was a chap that had his 2.0TDI dyno'd before and after the update and saw slight increase in peak output, but arguably a worse power curve.
 

Chris90

Active Member
VCDS Map User
Peak BHP means nothing.....unless you want to go brag to your mates down to pub with how high of a number you make.
The key factor to how a car drives is the volume/area of a dyno plot under the power curve. The greater it is, the faster the car, You could have 200bhp at 3000rpm, but then have nothing afterwards, or a car that makes 200bhp at 3000rpm and holds it to the redline. One will be greatly faster than the other.

Knowing how to read a dyno plot is half the battle
 

Gazwould

Registered User
Torque , everyday usable torque .

Sure VAG did a better job with remapping some models but there's a whole bunch of disappointed customers with noisier , loss of drivability doing less mpg .

It was too quickly rolled out and they effectively experimented with customers cars , the egr quickly failed and they won't put the original file back on .

People are kicking themselves when they found out it was unnecessary because the recall is voluntary .
 

DrEskimo

Registered User
Peak BHP means nothing.....unless you want to go brag to your mates down to pub with how high of a number you make.
The key factor to how a car drives is the volume/area of a dyno plot under the power curve. The greater it is, the faster the car, You could have 200bhp at 3000rpm, but then have nothing afterwards, or a car that makes 200bhp at 3000rpm and holds it to the redline. One will be greatly faster than the other.

Knowing how to read a dyno plot is half the battle

Yea I know. There is a full debate on the difference between the curves a few pages back.

My point was, in the absence of a before and after dyno, all he can do is compare the after dyno with the quoted Audi figures, and all they tell you is peak output over a rev range. It is highly unlikely to be different, so a bit of a pointless task.

Torque , everyday usable torque .

Sure VAG did a better job with remapping some models but there's a whole bunch of disappointed customers with noisier , loss of drivability doing less mpg .

It was too quickly rolled out and they effectively experimented with customers cars , the egr quickly failed and they won't put the original file back on .

People are kicking themselves when they found out it was unnecessary because the recall is voluntary .

I agree. It certainly looks like EGRs are failing quicker as a result of the fix, but again, without data it would be hard to prove. You would need to compare the failure rate between those that don't have the fix and those that do. Remember that it's possible your getting a very large reporting bias on this forum, and that EGR failure is a common problem regardless of the fix.
 

Archies

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VCDS Map User
They've had our pants down, my egr failed and my car does a lot of motorway miles and is run V Power fuel.


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SteveMcB

Registered User
My Golf hasn't had the update and the EGR failed last year at about 40K. My indie says he's done loads, a used car dealer he knows now replaces the EGRs on all of his 2.0tdi VAG stock before sale because he is sick of customers complaining about this fault.

My sister's 2.0tdi A3 cab went into limp yesterday, also with suspected EGR failure, bought used about a year, not sure if it's had the update.
 

Archies

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VCDS Map User
It's exellerated failure / wear of an already useless item with the emissions update .

Spot on Gaz


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Archies

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My Golf hasn't had the update and the EGR failed last year at about 40K. My indie says he's done loads, a used car dealer he knows now replaces the EGRs on all of his 2.0tdi VAG stock before sale because he is sick of customers complaining about this fault.

My sister's 2.0tdi A3 cab went into limp yesterday, also with suspected EGR failure, bought used about a year, not sure if it's had the update.

Tell her get it blanked off and remapped


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SteveMcB

Registered User

Archies

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VCDS Map User
How easy a job is that mate?

You can't do it yourself mate, you'll need a Remapper to map it you. You blank it off yourself though, thats easy. Should be a Remapper in your area you can contact for advice though


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SteveMcB

Registered User
My Golf hasn't had the update and the EGR failed last year at about 40K. My indie says he's done loads, a used car dealer he knows now replaces the EGRs on all of his 2.0tdi VAG stock before sale because he is sick of customers complaining about this fault.

My sister's 2.0tdi A3 cab went into limp yesterday, also with suspected EGR failure, bought used about a year, not sure if it's had the update.

Turns out my sister had the update done last month! She had noticed it didn't seem so nippy afterwards but didn't think anything of it! She also said the engine was continually running on after she switched off, again didn't think that was worth mentioning!!!! I told her that was probably the fan because of interrupted DPF regen - more blank looks followed by "Oh, an engine warning light came on as well".

Audi have had now had the car for over a week because it's not just the egr that's faulty. I'm guessing DPF and probably aux water pump are toast as well.

She's now worried that the update is going to keep causing problems. When she asked Audi about this the guy was very cagey but, more or less admitted there have been issues with the update.

On the plus side the jobs getting done FOC and she's got a courtesy car, this was suspiciously easy IMO.

Strangely VW have stopped pestering me about getting my Golf done.
 
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