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Topic: Petrol smell? (Read 818 times) |
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Stes Ultimatum
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Petrol smell?
« on: Jul 6th, 2010, 11:31pm » |
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I've got a 2.3 & after a while of driving you can smell petrol through the air vents ?
When i got home i turned the engine off, opened the bonet & could not smell any petrol ! ??
I'm going to clean the MAF tomorrow, then run the engine & have another look while the engine is still running !
Anything i've missed 
Thanks Ste
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Cosray
Full Member
8th Scorpio, 2nd Cosworth: currently '95
Posts: 569
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Re: Petrol smell?
« Reply #1 on: Jul 7th, 2010, 4:11pm » |
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Were you driving past Marseille?
Petroltruck in front?
No kidding -
petrol feeder or return line/tube?
Fuel rail?
Fuel Rail Pressure Regulator Valve?
Sparkplug loose?
EGR Valve leaking on the exhaustseat- while mixture very rich?
HTH
Ray
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heliphil58
Junior Member
Scorpio 2.3 saloon 97
Posts: 68
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Re: Petrol smell?
« Reply #2 on: Jul 8th, 2010, 9:13am » |
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Had the same on my 2.3 in the end came down to the exhaust joint from manifold to downpipe not a bad job bat smells awful whilst it cures no more petrol smell
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Cosray
Full Member
8th Scorpio, 2nd Cosworth: currently '95
Posts: 569
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Re: Petrol smell?
« Reply #3 on: Jul 8th, 2010, 2:37pm » |
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... how can a petrol smell originate from the exhaust manifold to downpipe?
Yes, with the old cars and a choke full open...
Very rich mixture perhaps? Then that is no good either.
If the exhaust leaks, thats's an altoghether different smell I remember, no?
Ray
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Tekno
Full Member
Tenho Ruohoranta
Posts: 599
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Re: Petrol smell?
« Reply #4 on: Jul 8th, 2010, 7:01pm » |
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If it's exhaust smoke, not petrol:
you maybe missing part from AC water outlet. It's purpose is to let water out but not gases in. I notice exhaust smell everytime I park my car by reversing to downhill...
It's better to miss that part than have it blocked by debris.
Surely smell gets more annoying if exhaust or egr leaks some exhaust smoke.
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1998 Ford Scorpio Ultima Estate 2.3i 16V
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Cosray
Full Member
8th Scorpio, 2nd Cosworth: currently '95
Posts: 569
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Re: Petrol smell?
« Reply #5 on: Jul 8th, 2010, 8:36pm » |
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[quote author=Tekno link=board=Problems;num=1278455471;start=0#4 date=07/08/10 at 19:01:50]If it's exhaust smoke, not petrol:
you maybe missing part from AC water outlet. It's purpose is to let water out but not gases in. I notice exhaust smell everytime I park my car by reversing to downhill...
quote]
Here's a good write-up on the subject:
http://www.fordscorpio.co.uk/acdrain.htm
Checked mine today: in good shape after one year. Nicely opening up for water wanting OUT. Closed for fumes getting IN.
HTH
Ray
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heliphil58
Junior Member
Scorpio 2.3 saloon 97
Posts: 68
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Re: Petrol smell?
« Reply #6 on: Jul 8th, 2010, 11:15pm » |
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it may sound unlikely but my 2.3 smelled of unburnt petrol until i changed the exhaust gasket!!!!!
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Mike H
Senior Member
Renault Clio
Posts: 2594
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Re: Petrol smell?
« Reply #7 on: Jul 10th, 2010, 11:30am » |
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Mmm, petrol these days is not what it once was, could be "the smell" can be got from the exhaust as well (?)
They used to be quite distinct but I think I've noticed latterly not necessarily
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Mike H
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Stes Ultimatum
Junior Member
I'm a YaBB newbie!
Posts: 69
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Re: Petrol smell?
« Reply #8 on: Jul 10th, 2010, 1:16pm » |
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Cheers for the replys,
I checked the MAF the other day & it was clean,
But give it a couple of squirts of carb cleaner anyway !
Not had a chance to get it up on the ramps yet !
But will check out the drain valves!
Thanks steve
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dave44
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Posts: 20
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Re: Petrol smell?
« Reply #9 on: Jul 12th, 2010, 5:38pm » |
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Estates in particular can suffer from corrosion at fuel tank due to shape.Over the course of time water can lay on top of tank causing minute perforation allowing fumes to escape.We had this problem on one of our 2.3 estates, a secondhand tank from SPIKIES SCORPIOS cured problem.
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tlundkvi
Full Member
Ex. Scorpio 2.9 24V -95
Posts: 909
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Re: Petrol smell?
« Reply #10 on: Jul 12th, 2010, 5:49pm » |
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The same problem can easily happen to the saloons too, they use the same tank, had mine done for the exact reason last year. Can be worth to check the filler neck is tight too, this can cause a smell. I put a new one in and coated it with thick layer of rustproofing. The shape of the tank is begging for trouble...
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