GolfGTIforum.co.uk
Model specific boards => Golf mk4 => Topic started by: Big Tone on 11 December 2011, 13:33
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Not literally lol.
Anyway, over the last month my mpg has been dropping, first I thought the weather.
Now it has dropped from 41/42mpg to 30/31mpg on my 35 mile trip to work so something has to be wrong. plus boost is low so I thought boost/vac leak.
Pressure test done and found a VERY small leak BUT I noticed a glooping/bubbling sound (like oil) when doing this.
I tested from the tip inlet so all pcv was tested.
I am loosing air through the breather system and whatever this glooping sound is.
Has anyone had/does anyone know what this noise is and how to fix it?
It is REALLY beginning to p#ss me off!