General More Fueling Issues?!?!?!

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General More Fueling Issues?!?!?!

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ok the brava has another fueling issue. suprise suprise:rolleyes: the tank is under a HUGE vaccume when the engine is running such a vaccume that its starveing the actual car of fuel and the only way to drive it is with the bloody cap half way off. :eek:

proper gutted as its MOT time next month...:cry:


anyone have any quick fixes or any idea what could be causeing this?
 
ok the brava has another fueling issue. suprise suprise:rolleyes: the tank is under a HUGE vaccume when the engine is running such a vaccume that its starveing the actual car of fuel and the only way to drive it is with the bloody cap half way off. :eek:

proper gutted as its MOT time next month...:cry:


anyone have any quick fixes or any idea what could be causeing this?



In the old days we used to drill a small hole in the petrol cap, this though would probably be an mot fail.

Your problem sounds like a blocked breather pipe or mechanism. If memory serves it is located behind the rear wheel arch liner under the filler cap.
 
check the attached image, your problem is possible a blocked multifunction valve (no.4)
 

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