pinchin the fuel line

[civiclxb16]

ok explain this to me we still didn't get the civic running right. so what we did was change the fpr it was a used one so i don't know how good it was, so my buddy said turn the key and he pinched the fuel return line and boom it started what could it be? and what does it mean?

 

[TWISTEDIMAGE]

i think i am correct

but

when you pinch the return hose you are building up more fuel pressure

 

[TWISTEDIMAGE]

thanks for the quote in your sig i feel so kool

 

[rcoolb2002]

Originally posted by TWISTEDIMAGE@Mar 23 2005, 11:15 PM
i think i am correct

but

when you pinch the return hose you are building up more fuel pressure

[post=477845]Quoted post[/post]​

Yes that is what it would do in effect. It would be close to the same thing as running the FPR without any vacuum source, just more drastic.

 

[Bl6CRX]

Yeah its true, a friends gauge was reading 95psi once, and thats what caused it.

 

[civiclxb16]

so do you think that my fpr is letting in to much fuel or to little fuel?

 

[reckedracing]

seems like its too little fuel...

 

[b204dr]

sounds like to little - when you pinch the line raises pressure pumps faster- expand the line lower pressure pumps slower !

 

[civiclxb16]

what what kind of FPR do you think would do me good?

 

[b204dr]

aem or stock! heard b & m arnt that good

 

[projectxspeed]

What about the fuel pump? If it is on its way out wouldn't that cause the same problem?

 

[reckedracing]

mmm, fuel pump wouldn't build enough pressure either way, i think its your regulator...

 

[rcoolb2002]

Originally posted by reckedracing@Mar 24 2005, 04:00 PM
mmm, fuel pump wouldn't build enough pressure either way, i think its your regulator...

[post=478162]Quoted post[/post]​

If the fuel pump is dying, it could be pumping very little fuel, in which case it would take a pinch in the line to raise the pressure up enough. FPR is easier to check though. I recommend AEM.

 

[reckedracing]

hmm, usually a dying fuel pump can't "build" any pressure...