Is there a mobile mechanic nearor in watford herts who can change the three belts timing belt,fan belt,a/con belt ,local garages wont do it on my mitsubishi pajero junior zr2 a jap import .Its a cracking little 1100cc 4wd I love it also there is a problem with the o2 sensor which mitsubishi want £300 for any ideas used a petrol system cleaner and was ok for a week but still occasional high tickover revs .