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 Post subject: Strong fuel smell
PostPosted: Thu Apr 20, 2017 9:23 pm 
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Joined: Wed May 12, 2004 7:35 pm
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Location: Suuuuuuufuk
Been suffering from strong fuel smell in cockpit and engine bay....seems to be getting worse.
One day it seems to be in the cockpit next the engine bay filler side , then the fuel pump side.
Checked hoses and jubilee clips on filler side( Lower ones a PITA to access) . and pipe connections in engine bay.
Does not appear to be connected with engine running.or cornering.
How easy is it to acess the fuel pump and if all else fails whats involved in dropping the tank.....guess I have to detatch filler hose from petrol cap end as access to the tank end is impossible.

Car/Tank is 17 years old and car has been an" outsider" for many years.

HELP please OH wise ones

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 Post subject: Re: Strong fuel smell
PostPosted: Fri Apr 21, 2017 1:26 am 
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Joined: Sun Mar 30, 2003 11:00 am
Posts: 3276
Location: No Fing idea ..
- fuel rollover valve .. the breather pipe splits
- Braided rubber hose breathing .. this did my head in until I changed to Teflon hose and problem solved


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 Post subject: Re: Strong fuel smell
PostPosted: Fri Apr 21, 2017 7:25 am 
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Joined: Sun Jan 27, 2008 6:52 pm
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Location: Nags Head
We have the same problem Clive as we discussed at Anglesey last week :? Seems to get worse as fuel drops to around 13 litres.
Thanks Andy, we will try to investigate further.

Mark


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 Post subject: Re: Strong fuel smell
PostPosted: Fri Apr 21, 2017 9:44 am 
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Location: Suuuuuuufuk
I'm going to look at the top of the tank to see if the pump gasket is leaking. :eh: ........dont thonk I will be using a flame for illumination :twisted: .

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 Post subject: Re: Strong fuel smell
PostPosted: Sun Apr 23, 2017 8:59 pm 
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Joined: Wed May 12, 2004 7:35 pm
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Location: Suuuuuuufuk
After a few days sitting in the workshop the odour is significantly reduced :D However its got less than 12 lts in the tank so this might imply the problem is in the upper part of the tank....or the filler tube .." :?
Trying hard to avoid dropping the tank but beginning to look I might have to..... :lolno: ...ugh. Then a bigger tank will be called for.. :shock: and so it goes on

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Sale ... S1 rear wing + uprights,
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Trailer locks
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 Post subject: Re: Strong fuel smell
PostPosted: Sun Apr 23, 2017 9:53 pm 
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Joined: Sun Dec 04, 2005 12:03 pm
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Location: Northants.
Might as well fit a uprated fuel pump at the same time and coat everything in AF50 once you've cleaned it all up. Haven't you got to drop the gear linkage cables to get the tank out??? May as well throw the old ones in the bin and upraight those while there off.


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 Post subject: Re: Strong fuel smell
PostPosted: Tue May 09, 2017 10:22 pm 
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Joined: Tue Mar 28, 2017 11:03 pm
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Hi guys, mine S1 as well has a very strong fuel smell, especially after refueling and when cornering hard to the left. The two times since I own it that I've made a full refueling it was like I've washed the interiors with the gasoline..... :shock: :cry: :oops:

I tried to check all the components when but got nothing. Like MrBean, it's a 17 yo car and I'm trying hard to avoid dropping the tank too... so, any guess would be welcome.

Thanks!
Albert


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 Post subject: Re: Strong fuel smell
PostPosted: Tue May 09, 2017 10:54 pm 
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Location: No Fing idea ..
viewtopic.php?f=2&t=2641&p=21454&hilit=Fuel+smell#p21454


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 Post subject: Re: Strong fuel smell
PostPosted: Fri Jun 02, 2017 8:47 am 
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Joined: Fri Apr 03, 2015 12:00 pm
Posts: 47
Are you certain your TPS is working correctly? As I understand it these cars rely a lot of the TPS given no MAF. Therefore fuelling input info sent to the ecu amongst other things relies on throttle position being accurately known. My TPS replaced just recently has made a significant difference to fuel smell. Worth a try for 20 pounds.


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 Post subject: Re: Strong fuel smell
PostPosted: Fri Jun 02, 2017 6:25 pm 
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Joined: Sun Aug 10, 2008 7:46 pm
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If you're going to drop the fuel tank out to check for fuel leaks, have a really good look at the brake pipes that run through where the tank lives. They have a habit of corroding where they are in the pipe support. If in doubt, change them as it sucks taking it out again the following week!!


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