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Ad blue alternative

OneForTheRoad

MB Enthusiast
Joined
Apr 20, 2015
Messages
7,689
Location
uk.
Car
2019 Glc coupe 350d was 2017 e350 c207 .. +65 ford kuga 2.0 cdi zetec awd..
Just a thought,and I know by using it , it won't drop Nox levels . But it won't crystallise causing many many problems, no need for forte additive and it's just over £5 for 10 litres . 67% of ad blue is made up of it . Could it be added as a top up. Would Nox sensors go Bananas?? Discuss please.Screenshot_20230621-093501.png
 
I don't think this will work because your car has NOX sensors which monitor the quantity going out the tailpipe.
If you replace AdBlue with water, they system might just through an AdBlue error seeing that no matter how much it sprays the emissions are not going down.
You might even get the dreaded 500 mile countdown.
 
Hyou could always pee in it to add a bit urea

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Most vehicles have a combined Adblue level and quality sensor. Diluting it down will set a fault.

Those that don't have a quality sensor will instead set a SCR efficiency fault based on the delta between engine out and tailpipe NOx measurements being low.
 
urea o speedwagon.
 
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So I topped it up today and the dash says full , so I guess the level sensors are still ok. The icarsoft prediction of 1491 miles doesn't give me much confidence though ,seeing as the tank holds 25 litres . I'm thinking icarsoft software is missing a digit on the screen and it's more like 14910 miles.IMG_20230623_120016505.jpg
 
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So I topped it up today and the dash says full , so I guess the level sensors are still ok. The icarsoft prediction of 1491 miles doesn't give me much confidence though ,seeing as the tank holds 25 litres . I'm thinking icarsoft software is missing a digit on the screen and it's more like 14910 miles.View attachment 142623

The Lidl pump came in handy to suck this back out , I put it in the new Glc . Every little helps. :-)
 

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