All credit to @jdp1962 for this one but thought I'd write it up for others.
You will need something to poke with. I went for a cocktail stick but I'm told a paperclip works too.
Open fuel flap. Look for accumulated gunk and water. Poke it. Have cup of tea, you're done!
Before
After
You will need something to poke with. I went for a cocktail stick but I'm told a paperclip works too.
Open fuel flap. Look for accumulated gunk and water. Poke it. Have cup of tea, you're done!
Before
After