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Hey all,

for some reason when i'm driving, windows up and everything. with the aircon on.. i can just smell petrol.... sometimes it drives me rather crazy.

Its not just pure petrol fumes.

My rear window wasn't sealed properly, so i thought it was that, so i sealed that and i still get the smell.

It really bugs me. Everyone complains?

Anyone know where i should be looking to be the source of it?

Thanks in advance.

start from one end of the car and work toward the other. Start at the tank and check every fuel line and right up to the filter and then the injectors.you may need to run the car to get it to smell...but it sounds like a fuel hose may be hardened and brittle thus not sealing properly

Check to see if the rubber strip on the rear edge of you hood is there, some guys remove it or put spacers under the hood hinges... it allows heat to be sucked from the engine bay . The lower pressure that sucks out the heat is also responsible for feeding the plenum just behind the back edge of the hood which in turn feeds the heater box and A/C. Try leaving your A/C on recirculate for a while.

does the exhaust tip finish well past the bottom edge of the rear bar?

I don't think it does.

Check to see if the rubber strip on the rear edge of you hood is there, some guys remove it or put spacers under the hood hinges... it allows heat to be sucked from the engine bay . The lower pressure that sucks out the heat is also responsible for feeding the plenum just behind the back edge of the hood which in turn feeds the heater box and A/C. Try leaving your A/C on recirculate for a while.

I will take a look tomorrow morning, not quite sure what rubber strip but will take a look. By hood, i take it you mean bonnet.

Yeah, i think i have to check around the a/c, but i haven't tried windows up with no a/c.

So you could be right, anything else that could be leaking around the a/c.. or that feeds into the vents?

i had this problem and found that it was to do with the little plastic bit that sits on top of the fuel tank. Its the one which has all 3 fuel hoses coming out off. I had 3 massive cracks in it , changed that and then no mre petrol smell

hey, r33 gtr done 160k, plus my wrx also done 160k, both had the exact same problem, windows up, air con on, raw petrol smell, check the fuel line around the fuel filter, open bonnet while at idle, give the car a few revs (when cold) should be able to see fuel mist.........

Edited by donkey

ijust pulled an r34 apart, and theres quite a few places you could get the petrol fumes, check it's more from the front or back of the car like in the engine bay ( injectors, fuel lines)

if you can smell it fairly strongly in the boot , i would then suggest it's coming from the fuel tank, one area it would leak fairly easily is the fuel lines out the top or connectors as suggested above, but there is also a big seal on the tank were all your fuel lines go in, if this is not positioned correctly fumes would be definately leaking into the cabin, this normally upset if somebody has fitted a hi flow intank fuel pump or repaired the fuel gauge sender etc.

cheers russ

also check your injectors. i just replaced two of mine due to small cracks in the body of the injector which caused a very slow leak and a very strong fuel smell.

:)

Look for fuel stains around your inlet manifold.. Many 32s are getting leaking injectors.

  • 1 month later...
  • 2 weeks later...

Look in the engine bay at your evap cannister and see if all the lines are plugged into it. Also check fuel return hose config. at petrol tank end.

I believe the AC air intake snorkel is on the passenger side of the firewall, have a look around that also

On one of my old cars, my ac intake was literally sucking the fumes straight out of the petrol tank via loose hose to charcoal cannister - mmmmm nice

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