When you run out of ad-blue the vehicle will derate ,but will return to normal when you refill…
how long your ad-blue lasts ,haven’t a clue as motorway work uses more ad blue than city centre work for example ,a vehicle will only use ad blue when the parameters are met and when the engine is under load ie loaded going up a hill and foot flat to the floor,it doesn’t use ad-blue as soon as the engine starts as some believe
For the EAS (Exhaust Aftertreatment System) to operate certain criteria /parameters have to be met…ie on the manufacturers trucks i have been working on for 17 years
(a) exhaust system temp before and after the cat has to be above 200 degrees C
(B) there has to be a load on the engine ie producing torque ,as that is when NOX is at it’s greatest
(c) ad blue is injected up stream of the cat ,before the ad-blue gets to the cat,the ad blue breaks down in to ammonia and carbon dioxide…The vanadium in the cat attracts amonia…The NOX CONSISTS OF 90% nitrogen momoxide and 10% nitrogen dioxide.the gases that flow through the cat come in to contact with the amonia,and the resulting reaction converts nitrogen oxides in to nitrogen and water
(d) if a vehicle is on over run or sat idling no ad blue will be injected…as the temps will drop below 200,and the amount of NOX is minimal…
(e) that is why vehicles doing town driving will use less that a vehicle on motorway work
(f) running out of ad blue is a 1drive cycle fault hence the warnings on the dash and there will be a error logged in the ECU saying out of ad blue or words to that effect…since the ECU knows that it is out of ad blue ,when you refill the tank it will extinguish the warning ,though the fault will still be stored in the ECU
(g) if you want to know what drive cycles are just ask
(h)if you are under the impression that ad blue is injected as soon as you turn on the engine ,your dilussional ,as you would run out of ad blue pretty quickly
looking forward to you intelligent reply…
this post was not aimed at the op but at BKING who reckoned my first reply was " bollox" but has since deleted his post
Don’t put water in it, it can wreck the cat through mineralisation.
Diluting the AdBlue just means it will get used quicker as there is less active ingredient in it: a bit like watering down emulsion paint - it looks like more but goes no further. . The ECU senses NOx levels in the exhaust and adds AdBlue until it falls to an acceptable limit.
The harder the truck is driven, the more NOx the engine produces and thus the more AdBlue it will use. the system is called Selective Catalytic Reduction…it doesn’t work all the time and, as a general rule, the hotter the engine’s combustion temperatures get, the more NOx it makes and the more AdBlue it requires. If the engine isn’t working very hard it will use very little.
norb:
When you run out of ad-blue the vehicle will derate ,but will return to normal when you refill…
how long your ad-blue lasts ,haven’t a clue as motorway work uses more ad blue than city centre work for example ,a vehicle will only use ad blue when the parameters are met and when the engine is under load ie loaded going up a hill and foot flat to the floor,it doesn’t use ad-blue as soon as the engine starts as some believe
Not necessarily; I had to take a Stralis to Ireland a half a year ago and somebody let the adblue level going down too low. After they filled up again, the comp did not reself itself, so I had a serious lack of power for all over the week. After I come back they had to take her to an Iveco dealer to reset it.
norb:
When you run out of ad-blue the vehicle will derate ,but will return to normal when you refill…
how long your ad-blue lasts ,haven’t a clue as motorway work uses more ad blue than city centre work for example ,a vehicle will only use ad blue when the parameters are met and when the engine is under load ie loaded going up a hill and foot flat to the floor,it doesn’t use ad-blue as soon as the engine starts as some believe
Not necessarily; I had to take a Stralis to Ireland a half a year ago and somebody let the adblue level going down too low. After they filled up again, the comp did not reself itself, so I had a serious lack of power for all over the week. After I come back they had to take her to an Iveco dealer to reset it.
Thanks dennisthemenace for your reply to my earlier post ,personally i work on DAF and go on how their system works when they run out of ad blue …At least you just didn’t put bollox to what i had written
As said earlier don’t put water in it …AD BLUE is 32.5% urea and 67.5 % water as it is …Any more water can damage the system,as ad blue should be made using distilled water …If you use tap water ,depending on where you live ,then the lime will trash it,also the ad blue will be weaker ,the NOX sensors won’t see a suffient reduction in NOX as there isn’t enough UREA in the system ,and the system will just keep pumping in the water to try and clean it up,which it wont,so you will end up with a warning ,as the NOX reading are too high
Iknow with the early euro 4 motors that never had NOX sensors that people put all sorts in the tank as even with a fault they didn’t derate …The derate came with euro 5 as thats when the NOX sensors where added
norb:
When you run out of ad-blue the vehicle will derate ,but will return to normal when you refill…
how long your ad-blue lasts ,haven’t a clue as motorway work uses more ad blue than city centre work for example ,a vehicle will only use ad blue when the parameters are met and when the engine is under load ie loaded going up a hill and foot flat to the floor,it doesn’t use ad-blue as soon as the engine starts as some believe
Not necessarily; I had to take a Stralis to Ireland a half a year ago and somebody let the adblue level going down too low. After they filled up again, the comp did not reself itself, so I had a serious lack of power for all over the week. After I come back they had to take her to an Iveco dealer to reset it.
Thanks dennisthemenace for your reply to my earlier post ,personally i work on DAF and go on how their system works when they run out of ad blue …At least you just didn’t put bollox to what i had written
norb:
When you run out of ad-blue the vehicle will derate ,but will return to normal when you refill…
how long your ad-blue lasts ,haven’t a clue as motorway work uses more ad blue than city centre work for example ,a vehicle will only use ad blue when the parameters are met and when the engine is under load ie loaded going up a hill and foot flat to the floor,it doesn’t use ad-blue as soon as the engine starts as some believe
Not necessarily; I had to take a Stralis to Ireland a half a year ago and somebody let the adblue level going down too low. After they filled up again, the comp did not reself itself, so I had a serious lack of power for all over the week. After I come back they had to take her to an Iveco dealer to reset it.
Thanks dennisthemenace for your reply to my earlier post ,personally i work on DAF and go on how their system works when they run out of ad blue …At least you just didn’t put bollox to what i had written
Your welcome,mate!
thanks dennisthemenace …just thought his comment seemed slighty stupid without (a) actually posting a comment to help the op (b) not having a clue how ad blue actually works …obviously different manufacturers have slightly software ,but technically it all has to comply to the set laws…by the looks of it iveco need resetting after running out of ad blue ,and DAF dont …
pmsl lol … i see BKING has removed his post commenting on my first post when he said i was talking bollox about ad blue …obviously i wont be getting a reply lol…
Own Account Driver:
Battery reset will clear Stralis adblue run empty error shouldn’t need a dealer plug-in.
i didn’t think it would need the dealer intervention ,but i work with DAF .so i can only defer to someone who has experiened the issue…But it is a 1 drive cycle fault so when refilled the system when it does it’s checks should see the tank is full and restore engine power …
norb:
pmsl lol … i see BKING has removed his post commenting on my first post when he said i was talking bollox about ad blue …obviously i wont be getting a reply lol…
Can you explain how he has deleted his post, unless he is of course a moderator
there was a reply to my first post saying "bollox " and its injected in to the fuel gas flow …and now it isn’t there…otherwise i wouldn’t have did my second post lol
Own Account Driver:
Battery reset will clear Stralis adblue run empty error shouldn’t need a dealer plug-in.
i didn’t think it would need the dealer intervention ,but i work with DAF .so i can only defer to someone who has experiened the issue…But it is a 1 drive cycle fault so when refilled the system when it does it’s checks should see the tank is full and restore engine power …
I would normally just try refilling and see but I think what happens sometimes is it running out/low causes it to spit out some other spurious faults. I’ve worked on a lot of Ivecos but never for a main dealer so don’t know what the manufacturer’s official line on it is, but suspect dealers won’t turn anyone away that wants to bring a truck in.
norb:
there was a reply to my first post saying "bollox " and its injected in to the fuel gas flow …and now it isn’t there…otherwise i wouldn’t have did my second post lol
Strange because we minions don’t have a delete button, we can only edit our post but the user name stays there, if only with a single full stop in the post.
norb:
there was a reply to my first post saying "bollox " and its injected in to the fuel gas flow …and now it isn’t there…otherwise i wouldn’t have did my second post lol
Strange because we minions don’t have a delete button, we can only edit our post but the user name stays there, if only with a single full stop in the post.
i did a post looking for bking and had a reply from rikki …i think the moderators may have removed it …afterall i wouldn’t have done the how ad blue works if i hadn’t had his reply saying i was talking bollox…but hey it’s gone so nothing i can do now
Ive worked with iveco ad blue systems and once the adblue light has come on itll need reset by a dealer. Always make sure it doesnt run out, if it runs out it could cause problems with the pump which usually means replacing the pump which is costly (£1000+). Also make sure you dont over fill the adblue tank when your filling it up as it can be overfilled past the return pipe which causes problems with the pump and may end up needing replaced. When you fill adblue up make sure its only adblue out of a contantainer thats been used with adblue because you dont want anything else in there with it. Adblue also has a used by date of around 12 months iirc so just keep that in mind. The pumps are quite easily damaged/broken. I work with a hire company so learned these lessons the hard way when people hire the trucks and bring them in with the light on and try and say aye it works with water! Wished they hadnt said that after the £1500 bill for a new pump came threw!
norb:
For the EAS (Exhaust Aftertreatment System) to operate certain criteria /parameters have to be met…ie on the manufacturers trucks i have been working on for 17 years
(a) exhaust system temp before and after the cat has to be above 200 degrees C
(B) there has to be a load on the engine ie producing torque ,as that is when NOX is at it’s greatest
(c) ad blue is injected up stream of the cat ,before the ad-blue gets to the cat,the ad blue breaks down in to ammonia and carbon dioxide…The vanadium in the cat attracts amonia…The NOX CONSISTS OF 90% nitrogen momoxide and 10% nitrogen dioxide.the gases that flow through the cat come in to contact with the amonia,and the resulting reaction converts nitrogen oxides in to nitrogen and water
(d) if a vehicle is on over run or sat idling no ad blue will be injected…as the temps will drop below 200,and the amount of NOX is minimal…
(e) that is why vehicles doing town driving will use less that a vehicle on motorway work
(f) running out of ad blue is a 1drive cycle fault hence the warnings on the dash and there will be a error logged in the ECU saying out of ad blue or words to that effect…since the ECU knows that it is out of ad blue ,when you refill the tank it will extinguish the warning ,though the fault will still be stored in the ECU
(g) if you want to know what drive cycles are just ask
(h)if you are under the impression that ad blue is injected as soon as you turn on the engine ,your dilussional ,as you would run out of ad blue pretty quickly
looking forward to you intelligent reply…
this post was not aimed at the op but at BKING who reckoned my first reply was " bollox" but has since deleted his post
Intresting stuff , i knew the half of it ;now i know the rest, except!!! i believe add blue starts to freeze at below -10c what tells the system that its frozen and has not run out of add blue ?
Geoff