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imported_VaulterTim
Guest
Hi all,
Posting this here since more people read this forum but it's also in the A4 section...
Does anyone know if there is a non-return valve in the fuel line/system anywhere? I'm sure I remember reading previously that there is...
Haynes manual also has a value for residual fuel pressure after a certain period of time... after engine is switched off... so that would also fit in with the previous theory.
The reason I ask is because lately I have had problems starting my car which seem to be fuel starvation related.
It will start then burble and cough for a few secnds then die. If I give it a little throttle on startup it still coughs but starts far more easily than when I don't. When it has started it runs fine.
I have an aftermarket fuel rail fitted with a pressure guage attached so I am able to easily monitor fuel pressure at all times.
When the ignition is turned on I get fuel pressure registered on the guage but after the initial priming of the rail, the pressure then drops off to almost zero... I am sure it didn't do this previously and even when the car had been standing a while there would be 'a' pressure registered on the guage.
Any help/suggestions/ideas/feedback of personal experiences would, as always, be greatly appreciated.
Cheers
Tim
Posting this here since more people read this forum but it's also in the A4 section...
Does anyone know if there is a non-return valve in the fuel line/system anywhere? I'm sure I remember reading previously that there is...
Haynes manual also has a value for residual fuel pressure after a certain period of time... after engine is switched off... so that would also fit in with the previous theory.
The reason I ask is because lately I have had problems starting my car which seem to be fuel starvation related.
It will start then burble and cough for a few secnds then die. If I give it a little throttle on startup it still coughs but starts far more easily than when I don't. When it has started it runs fine.
I have an aftermarket fuel rail fitted with a pressure guage attached so I am able to easily monitor fuel pressure at all times.
When the ignition is turned on I get fuel pressure registered on the guage but after the initial priming of the rail, the pressure then drops off to almost zero... I am sure it didn't do this previously and even when the car had been standing a while there would be 'a' pressure registered on the guage.
Any help/suggestions/ideas/feedback of personal experiences would, as always, be greatly appreciated.
Cheers
Tim