Engine Light on, VW mechanic says $2,300 repairs - Page 5 - Club Touareg Forums
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post #41 of 50 Old 03-24-2017
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Quote:
There is no code reader no. on the invoice.
As a general observation, it is bad practice by any workshop to not give a copy of the scan showing the code to the owner.
Before getting a service, I do a scan and email any faults to myself so I have a record.

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post #42 of 50 Old 03-24-2017 Thread Starter
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Quote:
Originally Posted by JimJ View Post
As a general observation, it is bad practice by any workshop to not give a copy of the scan showing the code to the owner.
Before getting a service, I do a scan and email any faults to myself so I have a record.
Thanks Jim, good advise to bring it back to "VW...." and get a diagnostic and quote if issue comes back. I've attached part of the invoice, top has my details and bottom has VW mechanics details. He has not listed the error code no.s but noted what is needed. Charged $121.00 to have Engine Warning light diagnosed and error code investigated, over the phone he said, two errors and will be about $2,300. I then went to Ford (whom I bought plus warranty). Ford turned warning light off drove around for an hour and said the light didn't come back on. If the light comes back on, we'll book it in for a further look. If there is a problem they said it will be covered by the warranty and we prefer to do the work as we can do it cheaper. They didn't give me a print of anything either. This was 10 March, 15 days ago and the light is still off. If the issue did come back up again do I have right to say I want my local VW mechanic to fix it? Just trying to think ahead here.
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post #43 of 50 Old 03-25-2017
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Both the VW estimate and the posts here should qualify as legal evidence, if it is ever needed. Best of luck to you. Drive it and enjoy it.
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post #44 of 50 Old 03-27-2017
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I am 90% positive it will be low flow at egr valve the light will come back on in around 2 to 3 months time it will stay on for a couple of weeks and then go out for another 2 or 3 months best to get a scan and printed report done if you want egr replaced or cleaned not sure you can clean the system, mine has had the light come on a couple of times I will live with it
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post #45 of 50 Old 05-24-2017
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I had a problem where the idle speed went up by 200rpm! No MIL on dash. Plugged in VAGCOM and said that the N80 and N118 valve was faulty. This was on the EGR / EVAP system. Trolled through the internet for any info on 2011 Touareg EVAP problems. Not a lot of info about it.
Long story short... I checked all associated sensors between firewall and back of engine. Then the EVAP system in the passenger rear wheel well.
Turned out to be the oil separator in the engine valve cover. Vacuum valve was very sticky. Cleaned up all parts, tested all vacuum pipes for leaks, leak tested N80 and N118 and tested with 12vDC. All good. Car is happy again. I presume that the EGR sensing circuit never got to the threshold of the MIL coming on.
VAGCOM just paid for itself again...!
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post #46 of 50 Old 11-28-2017 Thread Starter
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Engine Light on, VW Mechanic error code P040100

I messaged back in Feb/March regarding my engine light appearing. I brought it to my local VW mechanic and they diagnosed a $2000.00 EGR problem. I contacted the dealer I purchased the car from (3 weeks prior to the light appearing) and they said bring it in we will have a look. All they seemed to do was erase the error code and drive it around for a few hours because here I am 8 months later the light has come up again and I brought it to a second VW mechanic and they have diagnosed it with error code P040100 same EGR issue $1,460.00 AUD worth of repairs needed. I am so cranky it is pretty obvious it had this pre-existing problem when I bought the car as 3 weeks after purchase this issue comes up, show this to the dealer and they have not rectified or fixed the problem, they just keep erasing the error code because wah lah 8 months later the problem is still there....so peeved it's not funny but at least I have the proof now from two independent VW mechanics.

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post #47 of 50 Old 11-28-2017
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Hannah

If it's any consolation, $1460 is not big bucks for VW.

Just out of warranty, I got a dash warning for coolant. Tracked it and it was losing some 1 to 2 litres per 1000 k's.

Local VW wanted $150 just to drive it in for an assessment!

Went to a local European car specialist instead.

I thought it may have been an EGR problem as no coolant discharge was visible.

Turned out that it was a crack in a plastic part at the rear of the V well.

The reason why coolant wasn't visible was because it was discharging to the rear (and 'falling' of the rear of the block).

To remove all the pipework and replace a $130 part came to $1300. The labour was 7 hours!

The local VW agent was never going to be helpful, so attempting to 'talk' with VW appeared pointless.

On your matter, there was some discussion earlier about consumer affairs. But, in my state they're a waste of space. Hopefully, you may have some luck there.

Cheers
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post #48 of 50 Old 11-28-2017
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The EGR issue could be one of several things.
EGR Flow restricted/clogged because of carbon build up in the valve or line to the throttle body
EGR Valve stuck
Connectors to the EGR Valve are faulty.

If the light is still there I would take it back to the organisation from where you bought the Treg and get them to fix it under their statutory warranty.

Clearing the codes will not fix the problem. They should know this and, by clearing the codes, are probably stalling for time.

They should be able to check the operation of the valve while it is in the vehicle. That would rule out the electrics and the requirement to replace the valve.

That would leave carbon build up in the ERG lines.

I am basing the above on what I have observed in my 2008 V6 TDI with the BKS engine.

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post #49 of 50 Old 03-17-2019
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Eventual Total inlet manifold Failure

Quote:
Originally Posted by ColinDawson View Post
My 2008 V6 TDI has the same problem, light came on over 3 years ago. I've covered about 50000 miles since then. I did some research and found there is a design flaw on this engine (Audi engineered) the official VW answer is to replace both inlet manifolds. UK estimate is approx £800 each side. I did find a supposed solution. The problem is wear in the swirl flap lever which after a period of time gets slack which is then picked up by the sensor. There is a VW replacement kit for the flap lever which costs £10 from a diesel performance company called Darkside Developments. Unfortunately it hasn't cured the problem permanently but when the light goes off it only seems to come back on if I do several stop/starts in a short period of time (switching engine off type stopping).

I've not noticed any drop in performance or fuel consumption. Speaking with a mechanic who's wife has a similar model, it is not a serious problem just an inconvenience.

Hope that helps

UPDATE
After covering approx 80K miles since the light came on initially, I’ve had to replace both inlet manifolds as the swirl flap mechanism had totally failed, it was pushing a load of ‘gunk’ out of the back which was also sucking in excessive air which sounded like a turbo leak. The ‘gunk’ was dripping onto a rear coolant hose which split which was the initial reason for taking the car to the garage. The swirl flap mechanism is plastic and once it starts sticking (causing the warning light) there is no other answer but to replace the inlet manifolds. By all means continue for some time but you will need to replace at some point.

Car is now working perfectly 🤞
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post #50 of 50 Old 03-17-2019
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Quote:
Originally Posted by ColinDawson View Post
UPDATE
After covering approx 80K miles since the light came on initially, I’ve had to replace both inlet manifolds as the swirl flap mechanism had totally failed, it was pushing a load of ‘gunk’ out of the back which was also sucking in excessive air which sounded like a turbo leak. The ‘gunk’ was dripping onto a rear coolant hose which split which was the initial reason for taking the car to the garage. The swirl flap mechanism is plastic and once it starts sticking (causing the warning light) there is no other answer but to replace the inlet manifolds. By all means continue for some time but you will need to replace at some point.

Car is now working perfectly 🤞

Sorry but replacement is crap
Remove the manifolds put a $120 kit thru both manifold after cleaning with brake cleaner and the manifolds are like new.


Done this numerous times with nothing but success.



Regards
Drag
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