jerryb

OK, loads of info thanks, I'll try the Cataclean first and see what happens.

I live on the Isle of Wight so no motorways, tried belting it as fast as I could for half an hour but no difference. Bought the cataclean and awaiting delivery so fingers crossed.

OK, so got the reader and plugged it in, it said there was one error code and when I read it it said "P0420 $10 Generic. Catalyst System Efficiency Below Threshold Bank 1" I erased it and it stayed out for two days and then came back, bum. Got any clues?

local garage want £39.99 just to look so may chance £15, times is hard.

Are these what you mean http://www.ebay.co.uk/itm/Any-car-OBD2-EOBD-CAN-Fault-Code-Reader-Scanner-diagnostic-scan-tool-UK-/181401703324?pt=UK_Diagnostic_Tools_Equipment&hash=item2a3c62539c

Is that something I can do or is it a garage job?

Hi, accidently put diesel in a petrol C1 and ran until the engine stopped. All fixed and the car is running fine except that the emission control light refuses to go out. The Citreon dealer said it might go with a good run but that didn't work, so they said it was the catalytic converter which they were happy to change for £1000. Needless to say we were not happy and have not taken them up on this offer. Since this has happened the car has had it's first MOT and sailed through even on emissions, so I'm a bit confused as to what this light accually means. Any ideas?