Disco 3 (LR3) Suspension problem

Hi
I have a disco 3 that has had its suspension light on fixed at normal driving. When parked it neither goes up or down.
The local garage put a diagnostic on it and it indicated the pump was slow to put air into the system so they suggested a new pump nothing changed and they tried another pump still no change and suspension now doesn’t even go up now has anyone got any advice on what the likely problem is.
Thanks so much

You need the diagnostic code, but could be something like the air reservoir leaking. They rust and form pinholes.

johnlad said:

You need the diagnostic code, but could be something like the air reservoir leaking. They rust and form pinholes.

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John
Thanks very much will get them to check it out

I would agree. Mine showed same symptoms, the pump was slow as it had been overworked topping up the resevoir continually but the tank had rusted on the top edge and was leaking. i think they are supposed to be at 10 bar or something like that which is a lot.

Same here, reservoir rusted at top, couldnt see it until it was off.