Having had fault code 16795 cleared three times, my local tuner demonstrated the pump was working but it didn't sound good at all !

Can someone tell me is this DIY job ?/ cost / part no' etc. ( octy 02 , 4x4, ARX unit) Thanks Bassman.

If its the pump itself its only three 10mm nuts and the pipes.

Usually fill up with water due to location.

The price of a secondary air pump a couple of years ago was

i've got one of those pumps kicking around somewhere if you need it.... i think it's the same?? the one have is from a 2.0 AQY engine

I had mine changed under warranty as it sounded like a complete bag of spanners on startup.

It likes to run for about a week before EML comes on ( 4 days to go! ), so I'll see what happens. £312 !!!

Thank everyone, brilliant as usual... Bassman