Anyone with F/I know what ur fuel rail pressure is?
O obdnanr · Registered Joined Nov 25, 2007 · 1,762 Posts Discussion Starter • #1 • Mar 8, 2008 Anyone with F/I know what ur fuel rail pressure is?
Trick Tuners · Premium Member Joined Nov 11, 2006 · 4,464 Posts #2 • Mar 8, 2008 Rail absolute pressure (RAP) is 40psi + boost or - vacuum At 20in hg (=~ -10 psi) its 30. At 10psi boost its 50.
Rail absolute pressure (RAP) is 40psi + boost or - vacuum At 20in hg (=~ -10 psi) its 30. At 10psi boost its 50.
ChrisJ · Administrator Joined Aug 26, 2005 · 76,434 Posts #3 • Mar 8, 2008 Mine idles at about 30... In boost I have seen it hit 60...
I itschristorres8 · Banned Joined Aug 23, 2006 · 15,799 Posts #4 • Mar 8, 2008 generally during cruising and idling fuel pressure should stay as stock is just like your vacuum if not then theres something wrong on the tuners end
generally during cruising and idling fuel pressure should stay as stock is just like your vacuum if not then theres something wrong on the tuners end
tsp_2177 · Registered Joined Mar 23, 2007 · 1,868 Posts #5 • Mar 8, 2008 sorry i have no idea but Chris pm sent :lol
O obdnanr · Registered Joined Nov 25, 2007 · 1,762 Posts Discussion Starter • #6 • Mar 8, 2008 fuel rail pressure right?? cause im wondering it the low fuel pressure rail is why my car seems to lean out when i WOT sometimes
fuel rail pressure right?? cause im wondering it the low fuel pressure rail is why my car seems to lean out when i WOT sometimes
ChrisJ · Administrator Joined Aug 26, 2005 · 76,434 Posts #7 • Mar 9, 2008 Maybe you are running out of fuel pump?
I itschristorres8 · Banned Joined Aug 23, 2006 · 15,799 Posts #8 • Mar 9, 2008 ChrisJ said: Maybe you are running out of fuel pump? Click to expand... with the stock fuel pump i wouldnt doubt it they top out at about 300rwhp i believe
ChrisJ said: Maybe you are running out of fuel pump? Click to expand... with the stock fuel pump i wouldnt doubt it they top out at about 300rwhp i believe
ChrisJ · Administrator Joined Aug 26, 2005 · 76,434 Posts #9 • Mar 9, 2008 itschristorres8 said: with the stock fuel pump i wouldnt doubt it they top out at about 300rwhp i believe Click to expand... if he is on stock pump then that is what I would put my money on...
itschristorres8 said: with the stock fuel pump i wouldnt doubt it they top out at about 300rwhp i believe Click to expand... if he is on stock pump then that is what I would put my money on...
E ESG-642T · Banned Joined Feb 23, 2007 · 12,740 Posts #10 • Mar 9, 2008 Stock PUMP! Sounds like the culprit.
O obdnanr · Registered Joined Nov 25, 2007 · 1,762 Posts Discussion Starter • #11 • Mar 10, 2008 well when the dude was tuning it my **** was at like 60 psi