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Old 20 July 2010, 09:08 PM
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WRX-John
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Default Had my Subaru....

About 2 months now and I keep getting a wif of fuel when I come to a roundabout or a set of lights etc, it's a MY99 I have a power graph of 286bhp not done to long ago at power engineering. I always run it on 99 octane, it does have an updated baileys dump valve on it which I'm desperate to take off but can't yet due to the past owner cutting and blanking the pipe off half way down, grrr

Soooo can a Chav valve throw the fuel ratio out ? It does around 225 miles to a full tank, it drives like new no stutters or cutting out when coming to a stop

any ideas ?
Old 21 July 2010, 12:47 AM
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dave247
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Try to avoid roundabouts
Old 21 July 2010, 10:24 AM
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WRX-John
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Lol thanks, problem sorted then
Old 21 July 2010, 12:19 PM
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Glowplug
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Originally Posted by WRX-John
About 2 months now and I keep getting a wif of fuel when I come to a roundabout or a set of lights etc, it's a MY99 I have a power graph of 286bhp not done to long ago at power engineering. I always run it on 99 octane, it does have an updated baileys dump valve on it which I'm desperate to take off but can't yet due to the past owner cutting and blanking the pipe off half way down, grrr

Soooo can a Chav valve throw the fuel ratio out ? It does around 225 miles to a full tank, it drives like new no stutters or cutting out when coming to a stop

any ideas ?
Yes a VTA dump valve will effect the AFR, air being dumped from the system causes a tad of over-fuel but i wouldn't expect to be smelling it in the cabin


The petrol tank is under the back seat, might be worth taking a look to see if all is tight and sealed, [previous owner may of done some work under there]. I take it you have checked around the engine bay for obvious causes.
Old 21 July 2010, 12:56 PM
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You can get leaks around the injectors, the fuel rails, the pipes going through the bulkhead into the engine bay (passenger side), so worth looking there, you should see it drip if its really bad.

Tony
Old 21 July 2010, 12:59 PM
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Any other mods, carbon canister removal with poorly routed VTA pipes can lead to smells when coming to a stop.
Old 21 July 2010, 01:25 PM
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Originally Posted by b13bat
...
Blimey, where have you been.

You last posted in April... and now in 2 threads on the same day!

Is it 'good' to be back? lol

Last edited by joz8968; 21 July 2010 at 01:26 PM.
Old 21 July 2010, 02:20 PM
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Originally Posted by joz8968
Blimey, where have you been.

You last posted in April... and now in 2 threads on the same day!

Is it 'good' to be back? lol
Bah!! Hellish few months mate. Gone from working 6 days a week and happy go lucky to long term sick and bankrupt [But thats another thread all together]

Yeah it's good to be getting back

Last edited by Glowplug; 21 July 2010 at 02:31 PM.
Old 21 July 2010, 02:33 PM
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Oh dear - lost job? Or massive debt?
Old 21 July 2010, 06:49 PM
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LEUVEN
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Originally Posted by WRX-John
About 2 months now and I keep getting a wif of fuel when I come to a roundabout or a set of lights etc, it's a MY99 I have a power graph of 286bhp not done to long ago at power engineering. I always run it on 99 octane, it does have an updated baileys dump valve on it which I'm desperate to take off but can't yet due to the past owner cutting and blanking the pipe off half way down, grrr

Soooo can a Chav valve throw the fuel ratio out ? It does around 225 miles to a full tank, it drives like new no stutters or cutting out when coming to a stop

any ideas ?
When you say "wif of fuel" do you mean the smell of neat petrol or the exhaust fumes smell?
If it's the latter then as it's likely there is a nice little run up to the roundabout to get up to a nice speed, the sudden slowing down to a stop after being at WOT will carry all the fumes in the air with the car and back into the cabin, especially if you have the windows open on a nice sunny day.
OIH
Old 21 July 2010, 07:47 PM
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+ h + f

Last edited by joz8968; 21 July 2010 at 07:50 PM.
Old 21 July 2010, 08:53 PM
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Originally Posted by joz8968
Oh dear - lost job? Or massive debt?
Mmmmmmmm, both after a bad accident

Zero coming in, zero going out

Got to keep the Scoob though Even if i have to SORN her
Old 21 July 2010, 09:03 PM
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joz8968
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Accident too!?!?! Flippin' 'eck - can you have any more bad luck?!

Car accident? Personal injury?
Old 21 July 2010, 11:17 PM
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Like i said, hellish.

Work accident, blacked out at the wheel of me 44 tonner, 55mph on the motorway, fookin mayhem
Old 21 July 2010, 11:27 PM
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CRIPES!!! Was everyone inolved alright?!
Old 22 July 2010, 10:18 AM
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WRX-John
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Originally Posted by LEUVEN
When you say "wif of fuel" do you mean the smell of neat petrol or the exhaust fumes smell?
If it's the latter then as it's likely there is a nice little run up to the roundabout to get up to a nice speed, the sudden slowing down to a stop after being at WOT will carry all the fumes in the air with the car and back into the cabin, especially if you have the windows open on a nice sunny day.
OIH
Bang on the money mate it's only noticeable with the window down, I think the removel of the Chav valve may cure it
Old 22 July 2010, 10:35 AM
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i would guess it has overfueling or running rich mine my99 does the same although it is mapped for pops and bangs too!
Old 22 July 2010, 11:23 AM
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Originally Posted by joz8968
CRIPES!!! Was everyone inolved alright?!
Yeah, nobody else involved believe it or not, pure lucky.
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