Out of fuel at 20psi???
#1
Out of fuel at 20psi???
how are my injectors almost maxed out at 20psi?
At a load of 260 taper to 240 but im running out of fuel is there something im missing
not sure if this is a mechanical thing or tuning thing but I have tuned before and never had any issues
At a load of 260 taper to 240 but im running out of fuel is there something im missing
not sure if this is a mechanical thing or tuning thing but I have tuned before and never had any issues
#2
Evolved Member
iTrader: (2)
What I do find interesting, you go full lean at about ~ 6000 rpm (ie. 18.4:1 AFR) all the way up to 6900 rpm according to your data logged wideband AFR.. Your AFRMAP is not accurate by any means, but your AFRMAP is proof that your logging your widebands' AFR incorrectly. What I mean is, look at your AFRMAP.. See how it follows the usual downward trend of AFR through WOT operations? See how your wideband AFR goes full lean at around ~ 6000 rpm? You're logging your wideband incorrectly.. Its either a voltage issue, or the function used in Evoscan.. This is not a fuel supply issue.
Last edited by BEKevo; Feb 3, 2013 at 08:53 PM.
#3
I also noticed the timing is wrong, is there any links that show how to fix up evoscan? My wideband was logging great earlier and I was able to see my afrs even after 6000 rpm. But they were getting lean as they increased so i richened the table. Ill look again tonight
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#10
Evolved Member
iTrader: (2)
What does your wideband do when at WOT? Does it shoot down, and hold around ~ 11:1 AFR? All the way through the rpm range? Have a friend eyeball the gauge for you while you do a WOT pull, or take a video. Lift off fast, if you do lean AFR's.. If you haven't done this yet, you need to check it.. That's a quickest/ easiest way to check to see if you're logging correctly.
#12
Evolved Member
iTrader: (19)
if its dashes at WOT you need to STOP IMMEDIATELY! Turn the boost down and make changes. This doesnt sound like running out of fuel, there is another problem, this thing is starving. What pump/inj? guessing this is on 93. Your a full 7 points or more too lean, no bueno
Last edited by black_beauty; Feb 7, 2013 at 10:15 AM.
#15
well found out the problem, my fpr hose was stretching, bought a new one and it holds the pressure amazing, turned up the boost to 26 pounds and getting ready to tune.
only issue is when I flash the tephra rom on my car, and re read it the map is based off the stock map? the tables are not big like they are supposed to
only issue is when I flash the tephra rom on my car, and re read it the map is based off the stock map? the tables are not big like they are supposed to