Over the last few months my CSVT has developed a sticky gas pedal. After driving for a little bit, it frees up. But, it is very sticky if the car has sat for a few days. Does anyone else have this problem and how have you fixed it? Thanks.

1998.5 CSVT 34,000 miles 2005 Volvo XC90 V8 1971 Duster 360, 3.55 POSI