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[raywilb]

this DS4 I have through up a warning about ad-blue needed a top-up & i immediatley topped up. however the urea warning remained .when i got home i looked up probable cause & the warning i got shows an orange light initially & although it needs an adblue top up i should get 900mls before its critical. if i ignore then a red warning light appears ,carry on ignoring & eventually the engine wont start,. the urea tank holds 17ltrs, but there is no way of knowing how much is in . i topped up initially with 1.5 ltrs then i had a 5ltr at home & put that in too. took it for a drive and after 2mls the urea warning went off . however the eml is on. saying all that the car is performing as it should so wonder if its just a matter of clearing the fault , .open to any words of wisdom , i havent a clue.

[Doctor Gollum]

That may not be the only fault. Possibly that it needs a regen hence the sudden increase in adblue consumption.

Trudging around short, slow infrequent journies will make George Best look sober

[raywilb]

That may not be the only fault. Possibly that it needs a regen hence the sudden increase in adblue consumption.

Trudging around short, slow infrequent journies will make George Best look sober

i do give it a good thrash now & then , what i omitted to say that may be relevant , when i booked it in for a dealership service they told me that the ds 4 were on recall because of a cat problem, but they cancelled because of covid so i used my local garage so,s i could get a service stamp.

[biggriffin]

Delete it.
 https://www.tuningfileshop.com/adblue-off/

[Marks DTM Calib]

Ah the curse of adblue.

So first a little overview of the system.

In simple terms, there is a pump that injects adblue into the front pipe upstream of the appropriate catalyst for NOx reduction, this then mixes with the exhaust gases, reaction takes place on the surface of the Cat, low NOx on the output.

What is also happening is that there are NOx sensors checking the exhaust, always post Cat and often also pre-cat.

When you re-fill the adblue, the system checks the quality based on the volume of fluid injected and NOx post cat, its the only time it does a quality check!.

If you got the codes read I would expect it to be an Adblue quality fault.

Of course, there is probably nothing wrong with the Adblue, usually its a furred up injector, failing NOx sensor or even an EGR fault further upstream

[Doctor Gollum]

You've overlooked the obvious...

It's French

[Marks DTM Calib]

You've over looked the obvious...

It's French

Its still the Bosch system ..... 

[TheBoy]

You've over looked the obvious...

It's French

Its still the Bosch system ..... 

But on a French loom

[raywilb]

this DS4 I have through up a warning about ad-blue needed a top-up & i immediatley topped up. however the urea warning remained .when i got home i looked up probable cause & the warning i got shows an orange light initially & although it needs an adblue top up i should get 900mls before its critical. if i ignore then a red warning light appears ,carry on ignoring & eventually the engine wont start,. the urea tank holds 17ltrs, but there is no way of knowing how much is in . i topped up initially with 1.5 ltrs then i had a 5ltr at home & put that in too. took it for a drive and after 2mls the urea warning went off . however the eml is on. saying all that the car is performing as it should so wonder if its just a matter of clearing the fault , .open to any words of wisdom , i havent a clue.

     
 an update on above post. had a diagnostic codes read ect, the guy doing the test concluded it the adblu pump at fault & advised its a dealership job. he must have cleared the faults as no warnings lights on at all as i drove the 1/2 mile distance to my house. i then had a journey of about 15miles doing motorway speeds. car running perfectly , whats more no sign of any fault lights. i thought if the adblue pump was faulty the big red mid warning re Faulty emissions would have appeared again & thr urea light would have come back on. 

[henryd]

Just fill the ad blue tank to the brim,It will possibly sort its life out then.My lad topped up his Skoda Karoq part way and the car wasn't happy so he filled it and the problem went away

[Marks DTM Calib]

What were the fault codes?

I don't buy the pump guess, it is a sad indication of just how little knowledge there is of these systems in the trade 

[raywilb]

What were the fault codes?

I don't buy the pump guess, it is a sad indication of just how little knowledge there is of these systems in the trade 

i dont know the any of the fault codes. but my update i have spoken to a knowledgeable friend of mine & he too doesn,t buy the pump being at fault.

[Andy B]

Just fill the ad blue tank to the brim,It will possibly sort its life out then.My lad topped up his Skoda Karoq part way and the car wasn't happy so he filled it and the problem went away

I've yet to have any sort of Adblue message on my ML and have just added a gallon every now & then in the last 12 months/10000miles. I'm not able to get an Adblue tank level indication so haven't a clue what's in there.

[raywilb]

Just fill the ad blue tank to the brim,It will possibly sort its life out then.My lad topped up his Skoda Karoq part way and the car wasn't happy so he filled it and the problem went away

I've yet to have any sort of Adblue message on my ML and have just added a gallon every now & then in the last 12 months/10000miles. I'm not able to get an Adblue tank level indication so haven't a clue what's in there.

exactly how it is for me. still no eml or urea nor is the big red warning about emission control that appears when the ignition is turned. i cant see there being an adblu problem . plus i may have caused something without me following the correct procedure.

[TheBoy]

Would it help if I just pissed in my tank?  If I did it on a non-lockdown Friday evening, it would have some kick to it

[Field Marshal Dr. Opti]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

[TheBoy]

kills babies

You may have just convinced me to buy another diesel vehicle.  How quickly does it get rid of the snotty little shits?

[STEMO]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

Only on some diesels, not mine. Diesel is 5p dearer than petrol, at the moment. So...a 5% price difference for approx 25-30% increase in mpg.
Or.....in the case of your planet killer, a 60% increase in mpg.

[YZ250]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

[STEMO]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

Yes, and it kills more babies than diesel.

[Andy B]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

Maybe on some cars  .... not mine though 

[YZ250]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

Maybe on some cars  .... not mine though 

Yes, but yours weighs the same as a small house. 

[TheBoy]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

Yes, and it kills more babies than diesel.

Shit, so I need a petrol vehicle then?

I'm so confuddled....

[STEMO]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

Yes, and it kills more babies than diesel.

Shit, so I need a petrol vehicle then?

I'm so confuddled....

Your omega should do it.
Petrol for planet(hence, baby) killing, and diesel for particulates to choke them.

[TheBoy]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

Yes, and it kills more babies than diesel.

Shit, so I need a petrol vehicle then?

I'm so confuddled....

Your omega should do it.
Petrol for planet(hence, baby) killing, and diesel for particulates to choke them.

The Omega is LPG, and so kind to the environment, I get some road tax knocked off


DTM, can you unfix my Battlebus so it smokes like a bastid again. Apparently, that will help with the cull

[Andy B]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

Maybe on some cars  .... not mine though 

Yes, but yours weighs the same as a small house. 

And has similar aerodynamics 

[Field Marshal Dr. Opti]

Okay....perhaps I'm just jealous that I don't  a DPF.

Life is joyless without one.

[Field Marshal Dr. Opti]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

I have about 530 'torques' as fatty Clarkson would call them. Pretty dieselesque, I think.

[Field Marshal Dr. Opti]

I blame the government. Ten years ago they insisted derv would save the ozone layer, save the ice caps, and save the polar bears.

Derv was also supposed to bring about world peace.

[YZ250]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

I have about 530 'torques' as fatty Clarkson would call them. Pretty dieselesque, I think.

Well there you go, I have 630. 

[Field Marshal Dr. Opti]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

I have about 530 'torques' as fatty Clarkson would call them. Pretty dieselesque, I think.

Well there you go, I have 630. 

I'm talking good old fashioned lb ft.......I think you are using these new-fangled NM (newton metres)

[YZ250]

So let me see......derv is 10p a litre more expensive than petrol.......makes your car sound like a cement mixer......kills babies......and then on top of this you have to pay extra for this adblue piss.

It's worth it though, for the extra torque and power advantage over a petrol engine midrange, and double the mpg. 
Petrol is for low torque stuff, like garden equipment. 

I have about 530 'torques' as fatty Clarkson would call them. Pretty dieselesque, I think.

Well there you go, I have 630. 

I'm talking good old fashioned lb ft.......I think you are using these new-fangled NM (newton metres)

Ah ok, I'll give you that one.    Mine's a piddling 465 lbs ft then. 

[YZ250]

I blame the government. Ten years ago they insisted derv would save the ozone layer, save the ice caps, and save the polar bears.

Derv was also supposed to bring about world peace.

A very valid point, so why should we believe a word they say. 

I'm easily confused, so I own both petrol and diesel so I can't be completely wrong. 

[Andy B]

....
Ah ok, I'll give you that one.    Mine's a piddling 465 lbs ft then. 

Mine's only 457 lbs ft 

[YZ250]

....
Ah ok, I'll give you that one.    Mine's a piddling 465 lbs ft then. 

Mine's only 457 lbs ft 

We say that as if it's not a lot. 

[Andy B]

We say that as if it's not a lot. 

 

[biggriffin]

....
Ah ok, I'll give you that one.    Mine's a piddling 465 lbs ft then. 

Mine's only 457 lbs ft 

We say that as if it's not a lot. 

 Mines 2500nm,  that's a foreign measurement

[YZ250]

....
Ah ok, I'll give you that one.    Mine's a piddling 465 lbs ft then. 

Mine's only 457 lbs ft 

We say that as if it's not a lot. 

 Mines 2500nm,  that's a foreign measurement

1844 lbs ft, that's quite a lot.    Yours is a mobile warehouse though.   

[YZ250]

Legitimate question, do you have to wait for the adblue message, or can you top it up randomly.   

[Andy B]

Legitimate question, do you have to wait for the adblue message, or can you top it up randomly. 

I've just added a gallon every now & then before any messages appeared. 

[raywilb]

well after being told that i have problems with an adblu pump & to fix it i would have a bill of £1500 + to get it sorted but because since the warning lights havent appeared again & the car is running as it should i was having doubts of what i was told. next monday it was meant to be getting the work done. they were going to have my car for at least two days & i would have a loan car.  because of my doubts i took my car to a guy who i know is really good & got him to check it out. good news all was ok except for a minor B.S.I issue.. so at the end of it all no pump issues & well worth the 1hrs journey down the M1 .   

[YZ250]

Legitimate question, do you have to wait for the adblue message, or can you top it up randomly. 

I've just added a gallon every now & then before any messages appeared. 

 
Mine holds 17L of adblue but in fairness I've only covered about 3K miles in it so could be a while yet. I've got 20L on standby in my garage but I wasn't sure if it had to pop the message up to know roughly what was in there as you have no gauge. 

[YZ250]

.......because of my doubts i took my car to a guy who i know is really good & got him to check it out. good news all was ok except for a minor B.S.I issue.. so at the end of it all no pump issues & well worth the 1hrs journey down the M1 .   

Nice one, that's saved you a fair bit of money then. 

[Doctor Gollum]

The newer Bulmors at a previous job used to do 50 litres of Diesel a day and 10 litres of ad blue

Glad I didn't have that bill

[Marks DTM Calib]

Just fill the ad blue tank to the brim,It will possibly sort its life out then.My lad topped up his Skoda Karoq part way and the car wasn't happy so he filled it and the problem went away

I've yet to have any sort of Adblue message on my ML and have just added a gallon every now & then in the last 12 months/10000miles. I'm not able to get an Adblue tank level indication so haven't a clue what's in there.

Gen 1 system then, Gen 2 added level indication when they sorted the fundamental floor with the ultrasonic level sensor (keep doing what you are doing.......don't over fill it) 

[Marks DTM Calib]

Legitimate question, do you have to wait for the adblue message, or can you top it up randomly. 

I've just added a gallon every now & then before any messages appeared. 

 
Mine holds 17L of adblue but in fairness I've only covered about 3K miles in it so could be a while yet. I've got 20L on standby in my garage but I wasn't sure if it had to pop the message up to know roughly what was in there as you have no gauge. 

I generally have to put in 10 litres every 6-8k ish, its on 11k at the moment (and hardly increasing, it would have had another 6k by now) and replacement on order, it might not get anymore 

[Marks DTM Calib]

well after being told that i have problems with an adblu pump & to fix it i would have a bill of £1500 + to get it sorted but because since the warning lights havent appeared again & the car is running as it should i was having doubts of what i was told. next monday it was meant to be getting the work done. they were going to have my car for at least two days & i would have a loan car.  because of my doubts i took my car to a guy who i know is really good & got him to check it out. good news all was ok except for a minor B.S.I issue.. so at the end of it all no pump issues & well worth the 1hrs journey down the M1 .   

It may be there was some crystallisation on the injector, a good run often sorts it, a re-gen even more so

[Andy B]

....

Gen 1 system then, Gen 2 added level indication when they sorted the fundamental flaw( ) with the ultrasonic level sensor (keep doing what you are doing.......don't over fill it) 

[Broomies Mate]

Yes it's a van, but similar system I would presume?

If I add less than 10 litres, the Vivaro won't register I've added anything.  Even adding 10 litres, sometimes it doesn't register.

I get a countdown of miles before 'catastrophic failure' (you wont be able to start the van again).  I've tested it.  I was working in Cornwall.  I had 2x 10ltr cans in the back just to test if it really wouldn't start.  And true enough, it didn't.

I've also been in the situation where I've added 10 litres of water, plain old tap water, and the van didn't moan whatsoever.

[pscocoa]

Volvo V90 fortunately has a level gauge for adblue along with engine oil level. Does about 8k per 10L.