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Right I have the answer !!! The mot guy has just been to do the diagnostic and the additive tank is totally empty. This is not adblue but another additive which is pushed into the DPF. So he will add some later this week. He needs to ramp it up and remove the tank. No warning lights have...

Ok useful to know. I’m doing the diagnostic next week

But if the joins are bad could I use stixall? It’s pretty good in wet conditions

Ok thanks

I hope the photo shows the issue. The outlet is joined onto by me and my neighbour. Mine is wood connecting with plastic and his might be similar. It leaks in this area. What can I do to improve it?

In 2021 i hit a rock at 20mph. Thought it wasnt that big. It took out the whole under carriage and oil sump. So i had a lot of parts replaced under there. Reading my receipt now it says the rear exhaust was replaced, interm exhaust pipe, particle filter exch, particle filter clamp, inlet...

I will look at the forte products next time. Ive done everything you need to do - changeoil and filter, add the cleaners, take it for 1h driving before in 3rd gear and not switch off at the mot centre. Still got the same rate i did on the first day, so a fail. If you are getting 0.9 i think...

Thought I had planned this time but will try the forte stuff as well. I’m going to get a diagnostic on the filter to see where it’s at with soot etc.

So i ran the van for an hour in 3rd gear at about 50mph on the dual carriageway. I had added to dpf cleaner x 2 in the fuel tank a few days before. Just been down for the retest and it was still at 1.5 approx. But they put it through which was nice of them. So the system has a problem. Do...

Yes will do they said don’t turn the engine off when I go

Ive been down to the test centre this morning and they said dont go for the filter clean as i dont have any lights on the dash board about it. Ive added the diesel DPF cleaner and will run with that in 3rd gear as mentioned on here for 1/2h. I dont think my van has the Eolys system, that came...

Im doing 15k per year, but i dont rev the engine that much. Got a company coming tomorrow to clean the DPF. they will use some acid and put it into regen. Its £200 and i just want it sorted. I have just changed the oil and air filter and the oil prior to testing. Looking back on my thread...

Its 2015 so the year before ad blue came in. So it is not rated that highly as as non polluting van. The data from the exhaust should be 0.7 i think. I have an average opacity of 1.18. He did it after the test as well to see if the engine being on would have lowered the value, but it went to...

My van has failed again on its emissions. Done 78.5k miles. Citroen berlingo. I changed the oil this time before the test but it still failed. They recommend I have it cleaned. It’s £200 to have someone come out and regen it plus do an avid clean. Looking online I can buy a dpf for about...

Ok thanks. I am a little lost regarding filling the pressures. I have decided to buy a new EV so will get the engineer to fit it next week as I also want a service doing. I thought you do as you said - make sure all pressure is out of the boiler and then pump up the EV to about 1 bar. I just...

No the system was pressured normally at 1.4 bar. So do i need to drain the boiler down to find the correct pressure of the EV ?

Are the two pressures the same when the boiler is working normally ? I thought the expansion vessel pressure must be at around 1 bar and the boiler pressure might be say at 1.5 bar. I've just checked my EV and it is 1.4 Bar, the same as the boiler pressure. I recharged the vessell a few weeks...

thanks all. i will have a look at them.

I have seen inside quite a few combi's over the years. When ever i have an issue I always work alongside my engineer to try learn what the issue is. So I see how he changes the secondary heat exchangers , for example. I've removed my own secondary HE and cleaned it out. I have the vaillant...

Yes we have the boiler at the top of our semi (not flat but i was working on a high flat and might have posted about it). It is in the attic which is a converted bedroom. So from ground level it is up at 7-8m high. I might call valliant to check with them.