Fuel tank "porous"?

[SD1too]

Originally Posted by richardreid

I noticed recently on filling up the fuel tank that the top third seems to be disappearing pretty quickly on a run.

Richard; I'm afraid this is all too vague to be meaningful. You mention the top third. How do you know when a third of the capacity of the tank has been consumed?

Secondly what does "pretty quickly" mean? Have you performed a brim-to-brim calculation?

Thirdly, if you had a fuel leak you would smell it!

High fuel consumption is usually explained by one of the following:

• Inaccurate measurements and calculations.
• Boy racer driving style.
• Traffic jams and/or frequent short journeys.
• Engine failing to reach normal operating temperature due to thermostat fault.

Simon