Hi, there:
Recently, theengine light of my Volvo 960 (1997) unfortunately turns on. I brought it to a shop and they told me the code 315 indicates something wrong with the EVAP valve and told me to replace it. But some people say the code doesn't mean anything if there is a real leakage in theevaporativesystem which will becostly to repair. Is it worthwhile to repair the leakage? How bad it will be if I just leave it alone?

Thanks
Robert

 

It could be a bad gas cap.
Did you fuel the car with it running?

 

I always stop the engine and fuel it. But I don't know whether previous owners fueled the car with the engine running.

Originally, I also thought it a bad fuel cap at the beginning. I changed the cap to the OEM one, but the engine light came back three weeks later. Sometimes, when the car is idling statically, I could feel a smell of gas after I opened the door. What could be the problem?

Thanks
Robert

 

There is a fill hose that cracks on the tank.
Do you ever smell gas after fueling?

 

Hi, Tech:
Thank you. Yes, I do feel some gas smell when I am filling the tank. But originally I thought it is just the residual oil evaporatingfrom the nozzle. How much does it cost to fix the fill hose?

Thanks
Robert