Hi,first post from myself! I was wondering if anyone could tell me how much I should expect to pay to have my full exhaust replaced on my 1.3 fiesta mk6. It is the 8v. The management light has been on a while and the code has showed it to be a catalyst problem? The car is a bit jerky when accelerating,but is ok apart from that. Would the oxygen sensors need replacing too? I just don't want ripped off at a garage so it would be handy to know what to expect,cheers in advance! Just to add the car had done 93k

 

This can be a cause why catalyst fail. Better to fix this first before the new catalyst is also damaged.
What code are you getting? Description and/or number?
Why replace the full exhaust if only the catalyst isn't working anymore?
Are there leaks some where in the exhaust? And if so, where?

 

I'm sure the code was p0420, the whole exhaust is well past it,the middle section in particular is quite badly corroded.i don't know if the exhaust is leaking. The management light came on around the the same time as a new clutch was fitted as well as a new thermostat and housing unit due to leaks.

 

P0420 is indeed Catalyst Efficicy below threshold, or in other words defective.
Any history of misfires, bad plugs, defective coil or injector?

 

It has had a new coil pack and plugs last year.