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Old 05-10-11, 06:02 PM   #1
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Join Date: May 2011
Location: Poole, Dorset
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Default the 307 Mystery problem.

After many many months iv tried to get this one Fault fixed on my 307 1.4 petrol car. and it really has got the better of me :-(

The fault in question is my 307 likes to cut out when coming to a stop and then a sudden smell of petrol comes through the vents if they are on. (not sure if the two are conected) but the smell soon goes. the car starts back up just fine and away i go.

now it seems ALOT of peugeot 307 owners have the same fault but not one person NOT ONE, has found a cure asfar as i know. many many people give tips on what it could be and so on but none have said for sure what it is.

driving me insain iv only had the car 6 months thinking of selling it already. iv used Peugeot planet to try find a fault code but nothing. iv clean out the butterfly and throttle body again no help. i fear ill be wasting away money trying to pin point the problem. I just find it strange how so many 307 owners have the same fault with the car cutting out but no one seems to know why.

epic fail. rant over lol.
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Old 05-10-11, 08:34 PM   #2
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Location: Gateshead - Tyne and Wear
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i know sometimes the smell of fuel is linked to injector seals...this could possibly lead to compression failure hence stalling....but dont quote me on that. davidireland is your best bet to answer this one.

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Old 05-10-11, 10:06 PM   #3
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I'm no expert, but I used to have a Renault megane that did exactly the same thing. I would pull up at traffic lights or a junction and the engine would cut out, but it would start again without any problem. A friend told me to try changing the lambda (O2 sensor) and it worked for me. This may be another useless tip, but as I said, it worked for me.
Now Driving a Ford Focus 1.6 zetec climate
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Old 05-10-11, 10:18 PM   #4
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Join Date: Aug 2011
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I have got the same thing, while driving the car with air con on sometimes I could smell the petrol but my car would not cut out its just the petrol smell when the air con is on.

Any tips? or is this a big problem?
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Old 06-10-11, 11:33 AM   #5
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I've seen this all over the net and once in person

The thing they changed was a... MAP sensor i think it was called (not MAF)

Something to do with manifold pressure which works out how much fuel to bung in there! (far too technical for me!)

Dont know if thats what yours is but thats the only one ive heard of being fixed!

Saying that, you'd think it would throw a code for a sensor fault??

Last edited by Stubbo; 06-10-11 at 11:35 AM.
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