Originally Posted by
foreigneRS
have you got a leaky injector? perhaps try unplugging them 1 by 1
the injectors are less than a year old also i would of thought it wouldnt tick over as smooth as it does
But its worth a look
edit
thinking about it the co was quite high befor the new injectors were fitted
so it must be a sensor
the last few mot's we did i had to turn the fuel pressure down to about 1.5 bar