Hi All,

I am thrilled to join a group of intelligent car owners. I hope to measure up. I have a 2004 Volvo S-80 Turbo with 120K miles. I just had the plugs changed and am still getting very poor mileage (13 mpg in the city)
The car runs great and rides like a dream but I can't live with such poor mileage. I use 87 gas and always have. Any suggestions?
Thanks,

Bruce G

 

Tried getting your fault codes read with an OBD11 reader?
May show a related cause.
Might be an o2 sensor needs replacing.
Try running her on a tank or 2 of 91.
Computer may be telling her to run a little richer using only 87.