BMW 3 Series no pressure in petrol tank
Variant: e30
Model Year: 1988
petrol pump goes continualy have changed everything including tank thereis pressure up to tank at return but none in tank dont understand how pressurised system works as there appears to be two vents on tank i feel that pump would stop if there was any pressue on it
Posted: Apr 20, 2011 (13 years ago)
Pump normally goes all the time if it is drawing air . Dont know the set up on that car , but you usually have at least vent for filler pipe and also a return feed to tank . Have you tested pump is lifting fuel o.k ?
Posted Apr 20, 2011 (13 years ago)
dont understand your problem what do you mean the pump runs contiually its supposed to run if the car is running, do you mean it runs when the car is turned off? does the car still start and run properly?
Posted Apr 21, 2011 (13 years ago)
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