>> I have a Citreon Picasso C4 Grand . I’ll try and find out the capacity
>> it has and buy enough for 75-80% ,good tip . When you mean overfill it
>> ,do you mean so it comes out , cause my entry point is in the
>> boot back row of the seats .
>>
Oh dear.... I hate to burst you bubble, but.... PSA have a real problem with their ad blue systems. The ad blue pump and electronics are part of the tank, and the ad blue has a habit of getting through the seal and into the electronics, and ruing them. The only rectification is a complete new tank (with the pump / electronics built in). Currently these retail from Citroen at around £1000 - £1200 - if you can get one. Plus diagnostics and fitting. Reason I say this is the the warning should come on at1500 miles to go - if yours has come on unexpectedly at 350 miles, then there's a good chance that the electronics have had it - sorry! But stick some in and see if it goes off first.
PSA do offer an extended warranty on these items however, how old is the car? If it's <5 years / 90k, then they might cover it. But I recall that you relatively recently bought this? In which case you might be able to get the supplying dealer to fix (or get it done under a warranty that came with it?).
If you do have to cough up, then the tanks are available outside the dealers (e.g. try Neo Brothers) at around £600, and they're not that hard to fit - although getting the system to reset can be a trial apparently.
For reference the tank on these is about 17litres - I put 10litres at a time in ours (1.6) which lasts about 8k miles. Getting to the filler without getting it everywhere is a mare - a funnel is a must! Ours is just over 5 years old and 50k now, so I am just waiting to have to fit a new tank really....
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Ad Blue new
Ad Blue new
