Popping Sound From Filler Cap On Tdci
Posted 25 March 2012 - 12:54 AM
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Posted 25 March 2012 - 08:59 AM
As far as the possible leak goes you may have a leak from the tube which goes down to the fuel tank, but then again if there were a fuel leak even that bad it probably wouldn't pop because the vacuum wouldn't be as bad. Best advice I can give you that side of things is to have a look underneath the car when you haven't washed it to see if you can trace any leaks. It's probably not a fuel leak as even a slight one you'd smell it probably even inside the car and definitely when it's parked up. Plus you'd notice a decrease in fuel economy but then again it depends where it's leaking from.
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