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| Surging https://www.ausmini.com/forums/viewtopic.php?f=2&t=38554 |
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| Author: | WantOne [ Sat Dec 08, 2007 7:05 pm ] |
| Post subject: | Surging |
My mini has decided to start surging when going around roundabouts. I go around them at a sensible speed (10-15Mph) and the fuel tank is about half full so I don't think its the fuel pump cavitiating. The whole fuel system is the original one i.e. no electric bits. My idea for the problem is water in the tank. But before I drain the half full tank, has anyone else got an idea? |
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| Author: | Harley [ Sat Dec 08, 2007 7:07 pm ] |
| Post subject: | |
If you suspect water in the tank dont stuff around looking for something else. Tanks not hard to drain, you'll see the issue if there is one. |
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| Author: | Morris 1100 [ Sat Dec 08, 2007 7:38 pm ] |
| Post subject: | |
Take the lid off the carby and see if there is any sign of water or crud in the float bowl. There is no point draining the tank if there is no water in it. 
Does it surge in both directions? or just turning right? Low pressure in the fuel system will effect it under load like when you are going uphill. A drop in pressure in a corner is usually caused by float level. |
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| Author: | 9YaTaH [ Sat Dec 08, 2007 7:44 pm ] |
| Post subject: | Metho |
Agree with Morris...no point unless you are sure you have water....more likely a float level or fuel pump problem. You can dose the tank with Metho if you want to displace water....maybe 500 mls to a tank. |
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| Author: | gafmo [ Sat Dec 08, 2007 7:50 pm ] |
| Post subject: | Re: Metho |
9YaTaH wrote: You can dose the tank with Metho if you want to displace water....maybe a 500 mls to a tank. My wifes father has mention this to me also 
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| Author: | WantOne [ Sat Dec 08, 2007 7:54 pm ] |
| Post subject: | |
I've only noticed it surge while turning right. This may not be related but I get a big whiff of petrol too. I've pulled over straight away a couple of times now to look for fuel leaking but can't find anything. |
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| Author: | Morris 1100 [ Sat Dec 08, 2007 8:27 pm ] |
| Post subject: | Re: Metho |
gafmo wrote: 9YaTaH wrote: You can dose the tank with Metho if you want to displace water....maybe a 500 mls to a tank. My wifes father has mention this to me also
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| Author: | drmini in aust [ Sat Dec 08, 2007 8:45 pm ] |
| Post subject: | |
Take the lid off the float bowl and see which way the float faces. It should be fitted so the float is pivoted fore and aft, not sideways.
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| Author: | dbr11k [ Sat Dec 08, 2007 10:07 pm ] |
| Post subject: | |
my brick had done this for a while... turns out i didnt have enough oil in the dash pot lol maybe this could be the problem?? |
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