Could be many things. Do you have any other symptons, engine light coming on, things like that
lucidarepairs.co.uk
August 2010
you could maybe plug it into a code reader and check for faults,has it been serviced regularly? fuel filter may need changed,splits in intercooler hoses,I would start there and see how it goes
howtomendit.com for free repair help, information and advice.
Try fixfault.com to fix cars.