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[Andy B]

having recently boasted that my ML has asked for nothing in all the years I've had it, it waited till the caravan was hooked up & we were ready for going away for a week .... we'd not even got off the path  Adblue fault, consult the manual
I tried to ignore it despite the EML being on. Then 20 miles away on the motorway it came up with the message 'engine start not possible in 475 miles .... I gave up & turned round to go back home 

It's booked in for next week ..... I can foresee ££££££££££££££££££££££££££'s leaving my bank 

[johnnydog]

My son has a 2019 VW Passatt 2.0 TDi with over 100k on it. A couple of years ago, just prior to the MOT, an Adblue fault came up on the dash. A former Audi technician stated the repair cost was quite steep, so suggested an Adblue delete. This was done at a relatively minimal cost, and the warning has not reappeared with no need to replenish the Adblue. The increase in the emissions reading at the next MoT was virtually non existent and it passed with no issues, as it has done ever since.

[STEMO]

My son has a 2019 VW Passatt 2.0 TDi with over 100k on it. A couple of years ago, just prior to the MOT, an Adblue fault came up on the dash. A former Audi technician stated the repair cost was quite steep, so suggested an Adblue delete. This was done at a relatively minimal cost, and the warning has not reappeared with no need to replenish the Adblue. The increase in the emissions reading at the next MoT was virtually non existent and it passed with no issues, as it has done ever since.

There is very little chance of getting found out, but I believe the penalties are quite harsh.

[Andy B]

a bloke at work had the same ML as me & he also deleted the Adblue. It's a thought BUT I believe it will soon be something they'll look for during MOT.
The codes suggest either a failed NOx sensor or shitty/crystalised Adblue.

[STEMO]

a bloke at work had the same ML as me & he also deleted the Adblue. It's a thought BUT I believe it will soon be something they'll look for during MOT.
The codes suggest either a NOx sensor or shitty/crystalised Adblue.

There's no way they can check for it at MOT. Not without getting down and dirty with the ecu. I didn't realise mine had been deleted when I bought it.....from a dealer

[YZ250]

My son has a 2019 VW Passatt 2.0 TDi with over 100k on it. A couple of years ago, just prior to the MOT, an Adblue fault came up on the dash. A former Audi technician stated the repair cost was quite steep, so suggested an Adblue delete. This was done at a relatively minimal cost, and the warning has not reappeared with no need to replenish the Adblue. The increase in the emissions reading at the next MoT was virtually non existent and it passed with no issues, as it has done ever since.

Yep, it’s mapped out, so everything looks normal but it doesn’t ask for any Adblue, ever. The car felt noticeably livelier afterwards as well, I’m assuming that’s due to the torque not being restricted for emissions.
The following cost would have been for the Adblue tank with inbuilt pump, the inline heater and associated pipe work. An Indy estimated between £1800-£2000 for that, and the other option was a quote was £350 for an extra few ponies with an ECU remap and Adblue delete. That was over three years ago with no issues and I recall it being a very easy decision for the owner at the time. 

[STEMO]

Everyone seems to know that the system is shite. Wifey's car was the first we'd had with Adblue. The very first cold snap we got a warning saying the car would be impossible to start in 1500 miles and it started counting down. She mentioned it at work and her caretaker said straight away 'It will be because it's cold, it will clear if we get a warm day'. It did.

[STEMO]

I'm sure someone might know better but, I reckon trying to get it reinstated would be problematic. Anything that's in the tank, and associated pipes and injectors, would probably be bunged up with crystallised Adblue.

[YZ250]

I'm sure someone might know better but, I reckon trying to get it reinstated would be problematic. Anything that's in the tank, and associated pipes and injectors, would probably be bunged up with crystallised Adblue.

That’s the exact reason that I was given for having to replace everything. 

[YZ250]

……….
we got a warning saying the car would be impossible to start in 1500 miles and it started counting down………

Yes, that’s why I didn’t ask if it had much Adblue in it, as around the 1500 mile mark warning is normal for low level, not a fault. 

[Andy B]

There was some Forte anti-crystal stuff in the tank but  it's suggested that you should not fill the tank completely .... & I did just that a few months/hundred miles ago.
The codes relate to NOx sensors & possible crystals ... 
I'll see what the garage (merc indie) suggests next week.

[Sir Tigger KC]

having recently boasted that my ML has asked for nothing in all the years I've had it, it waited till the caravan was hooked up & we were ready for going away for a week .... we'd not even got off the path  Adblue fault, consult the manual
I tried to ignore it despite the EML being on. Then 20 miles away on the motorway it came up with the message 'engine start not possible in 475 miles .... I gave up & turned round to go back home 

It's booked in for next week ..... I can foresee ££££££££££££££££££££££££££'s leaving my bank 

Did you?                                                                                                          

[Andy B]

having recently boasted that my ML has asked for nothing in all the years I've had it, it waited till the caravan was hooked up & we were ready for going away for a week .... we'd not even got off the path  Adblue fault, consult the manual
I tried to ignore it despite the EML being on. Then 20 miles away on the motorway it came up with the message 'engine start not possible in 475 miles .... I gave up & turned round to go back home 

It's booked in for next week ..... I can foresee ££££££££££££££££££££££££££'s leaving my bank 

Did you?                                                                                                          

  of course not!