2003 Volvo XC70 Q&A

2003 Volvo XC70 Question: would the dash emission light cause the car to stop, unable to restart at all?

car lost power, cut out and wouldn't restart. engine turning over, but not firing.Mechanic changed cambelt sensor, with no effect. emission light been on for 6 weeks, could this be a cause? -
Answer 1
what is the eng codes he had? -