Petrol smell

[Jez850]

Hi All,

When my GF is driving her Mk4 with the windows open a smell of petrol enters the car. Upon investigation the smell seems to come from the filler area but not the filler itself. I cannot see any evidence of a leak anywhere and the exhaust does not seem to be blowing. Does anyone know of any weaknesses in this area - maybe the filler pipe?

[Ian Lanc]

Any smell of fuel warrants a serious look around, just follow your nose! Look under the car ? Fuel pipes ? Fuel filter ? Signs of past leakage ?

Or maybe the car was over filled with fuel and being thrown out as you drive ?

[dave1987]

My old mk4 did this too but only after brimming the tank with fuel. Did she just fill it up?

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[Ffoxy]

Have a good look for rust at the fuel tank and filler pipe.

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[Humpy]

55 minutes ago, dave1987 said:

My old mk4 did this too but only after brimming the tank with fuel. Did she just fill it up?

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No not over filled still same quarter tank to three quarter tank. I have smelt petrol though so will check rust at fuel tank and filter pipe. Thanks guys for your input   

 

[Humpy]

Sorry as newbie just getting started on replies etc. Thanks for input will follow suggestions on fuel tank and filter pipe 

[Jez850]

Hi Guys,

Sorry for late reply and thanks to all who have helped with advice. The smell is intermittent and is not as a result of overfilling. She periodically gets the engine management code for fuel tank air pressure/leak, which normally resets ok after reseating the filler cap. Maybe there is a leak somewhere after all. There is some light surface rust on the tank near the filler but no smell there. Will the filler cap neck be visible if I remove the wheel arch cover?