a kink in the filler neck maybe or someone could have put something in ur filler neck
98 gtp sedan forest green ,S1X intense cam,Intense pcm,Magnaflow exhaust, ubend delete,TEP trans 3.29's,3.4 smoothflow mps,Dyno'd 281hp and 371ft #'s of trq at the wheels http://www.cardomain.com/ride/3338681