The green thing in the fuel filler neck??

Fast Guy

Moderators
Staff member
Is it just there to stop you putting the wrong nozzle and hence fuel in or is it a seal as well?

The reason I'm asking is that I just filled up and found mine sitting at a 45degree angle waiting to drop into the tank, it's now inside the car. I'm hoping no one has been interfering with it as my alarm hasn't warned me of anything.
 

PobodY

Moderators
Staff member
Yes. - It's to stop you being able to put the leaded hose in; it's a Poka-yoke for the fuel system.
 
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