Pull your back seat out to listen. Also, correct if I'm wrong somebody, but I think you can tell when you have your lights on. When you activate the automatic windows, your interior lights will flicker / fade for a second. That should be a good sign you have a walbro.

 

I can't hear any difference between my stock pump and the Walbro I installed.

 

Just wait, when you least expect it, the Walbro whine will come for you...

 

lol god so many techniques for listening for the damn walbro

 

Well you got lots of good options here to give you clues to guess if you have a walbro, but I'd open it up and look if I were you. It's not that hard -- just be careful and disconnect the battery first!

 

Well, while the car was idling, doors shut, cushion still on the rear seat. I hopped out and listened by the drivers side rear wheel. I heard a pretty distinct high pitch whine. I'm guessing this is the sound of the walbro? I'm still gonna pull the cushion and see if hte bolts have been tampered with, then prolly pull the whole thing out and check, but I'mg uessing I do have a fuel pump.

 

the only time i can hear mine is when the car is off and i turn the key on when it primes the fuel system

 

Ok so I paid more attention to the sounds of my car since my last post. I can hear a distinct whine while driving. If I push in the clutch while going it'll go away, but if i rev it with the clutch in I can hear it, plus I heard a whine while listening by the drivers side rear wheel. I think I have a pump. i'm gonna pull the seat and see if the bolts have been tampered with. Hope so, I have a new tune awaiting the pump, and I have a rematch with a supercharged g35 tomorrow!

 

You've spent more time typing and reading that it would have taken to pull your pump housing and find out for sure. This thread sucks.

 

lol I realize that, I'm very busy through the week, by the time I get some free time its dark out. And by that time I'm usually tired and all thanks to my job.