Gas smell and leak while idling

Sounds like you have a leak from the top of the tank where the pump is installed and removed. We need to remove the seat and find out if the seal around the top of the tank is leaking.

Let us know what you find with this and then we can go from there. Thanks

You might want to call Volvo to see if there is a fuel pump recall on it. When I was at Volvo the top of the fuel pump would crack and leak. Only certain states where it gets pretty hot were affected? Here is the recall letter.

Volvo Cars of North America, LLC. (Volvo) has determined that a defect related to motor vehicle safety exists in the fuel pump of certain model year 2001-2005 S80, 2001-2004 S60, V70, V70XC/XC70 and 2003-2005 XC90 vehicles that were sold, or are registered in the states of Alabama, Arizona, Arkansas, California, Florida, Georgia, Hawaii, Kentucky, Louisiana, Mississippi, Nevada, New Mexico, North Carolina, Oklahoma, South Carolina, Tennessee, Texas, Utah, Virginia, District of Columbia and U.S. Territories. Volvo investigations has identified that a specific version of the fuel pump can when exposed to certain environmental conditions (hot climate and temperature cycling) over time and in combination of varying fuel quality, develop cracks in the fuel pump flange. If the condition occurs you may notice fuel smell and/or fuel seepage.

If you remove the rear seat cushion, on the passenger side there is a cover. Remove the cover and you will see the fuel pump.