All Questions
Tagged with theory fuel-system
3 questions
3
votes
2
answers
898
views
What are the side effects of disabling fuel tank ventilation?
what are the side effects of disabling fuel tank ventilation? Especially for petrol cars. Is it true that the ventilation system, which constantly allows the air to move into and out of the tank ...
- 31
5
votes
2
answers
2k
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Does electric fuel pumps run at constant or variable speed?
In websites I have seen that fuel pumps have a pressure range of say 30-95 psi. Why do they give a range of pressure? I had read that these pressure values refer to the unobstructed flow pressure ...
- 221
3
votes
1
answer
118
views
How is fuel pressure maintained when the pump isn't running?
Pretty simple question, if liquids are incompressible then how is fuel pressure "stored" when the fuel pump isn't running, i.e. after turning to run and waiting a few seconds, but not turning to start?...
- 1,698