Noy quite getting the jist of this but here goes to get to fuel filler solenoid you will have to remove offside rear lower quarter panel,i believe you have to take the seat belt inertia reel out of the way and there you will find the solenoid,where the solenoid comes out into filler flap area should be a grommit in the body work the solenoids do tend to fall apart,the flap is held shut by a small plastic u shaped clip which the end of the solenoid sits in,you can get this part,when you press the button the solenoid retracts opening flap if it wont open use a credit card down the slot at the rear this normally works,there is a rubber buffer on the front of the flap this causes the flap to jump open is this enough info or am i right off base.