All Questions
4 questions
8
votes
2
answers
7k
views
Why is the effect of a bad fuel pump more noticable at higher speeds?
I get that the main effect of a bad fuel pump is that the engine will cut out at higher speeds, and that this is often not easily noticeable until that happens because there are little or no prior ...
5
votes
4
answers
601
views
Why isn't injection managed to use the entire intake stroke?
As far as i know, electronic fuel injectors only know two discrete states, on or off. Under light load (ie. low rpm and throttle) the injector doesn't have to deliver much fuel. So naturally the ...
5
votes
2
answers
2k
views
What is the difference between "multi port" and "combined port" fuel injection?
I have heard these terms tossed around quite a bit and I understand that fuel injection is needed in order to inject fuel in to the engine (from a fuel rail/injectors?).
What is the difference ...
10
votes
3
answers
2k
views
Direct Injection Injectors - How do they prevent blow back into the fuel system?
So I imagine a direct injection injector as a fuel injector squirting fuel directly into the combustion chamber. The amount of pressure in the combustion chamber would seem to be enough to push the ...