Na8 fuel delivery problem...

[Red_Bullet]

(the workshop did) took just two weeks for it to rub through and short out.

Electrical short in the fuel tank - Oops!

Yeah, I thought that too. Is heatshrink fuel proof? I would be sceptical to say the least.

But then again, I was surprised when I learned that electric fuel pumps are actually inside the tank. Then I figured some smart ass engineer figured it is ok. Coming from an electrical background I was surprised. Just didn't sound right to me. Having now accepted that this is how it is I'm quite happy that cars don't go KA_BOOM all the time.

[manga_blue]

You need fuel, a spark and oxygen to start a fire. There's not enough oxygen inside a fuel tank to allow it to happen.

[speed]

You need fuel, a spark and oxygen to start a fire. There's not enough oxygen inside a fuel tank to allow it to happen.

That's what I was thinking but figured someone would say that there is an amount of oxygen each time the fuel cap is opened.

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[93_Clubman]

Is heatshrink fuel proof?

Fuel rated heatshrink (& wiring & connectors) is available.

[manga_blue]

You need fuel, a spark and oxygen to start a fire. There's not enough oxygen inside a fuel tank to allow it to happen.

That's what I was thinking but figured someone would say that there is an amount of oxygen each time the fuel cap is opened.

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Modern cars have a non-vented fuel cap and tank, a flap on the filler neck and some sort of fuel vapour capture/release system, typically based on a charcoal canister. Together these form a system designed to maintain O2 levels in the tank below dangerous levels.

[manga_blue]

... which is all fine as long as you don't worry too much about TWA800.

[93_Clubman]

maintain O2 levels in the tank below dangerous levels.

Another reason not to leave the car running when refueling!