everything was running fine. then i lowered my fuel pressure to stop backfiring... my car wouldnt boost past vtec at all so i turned the fuel pressure back up... now it still wont boost past vtec and everyhting seems to be hooked up right... any ideas ?

 

what do you mean by no boost past vtec? You have no boost? or the car doesn't pull once you hit the cross-over?
Whats you fuel set-up?

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by b16ahybrid &raquo;</TD></TR><TR><TD CLASS="quote">what do you mean by no boost past vtec? You have no boost? or the car doesn't pull once you hit the cross-over?
Whats you fuel set-up?</TD></TR></TABLE>

breaking down the Noob

 

it booosts until vtec kicks in then it lags baaaaaaaaaaad

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by spoon063 &raquo;</TD></TR><TR><TD CLASS="quote">it booosts until vtec kicks in then it lags baaaaaaaaaaad</TD></TR></TABLE>

Well then your still getting boost rite?
Does it feel like when your accelerating your call all of a sudden hits a wall where it doesn't acclerate any more? Kind of like bouncing off a rev limiter?
Whats your set-up consist of?
Generally your symptoms are signs of runing too rich. My car did that exact same thing when i swapped turbo's. When the ecu switched over to the larger cam lobs along with the fuel maps for the larger lobs it was to much fuel for the engine to burn, so i did a tune up and leaned the air/fuel ratio out to 12.0 +/- .4. before the tuning my air/fuel ratio was 10.0+.
List your set-up so we can help diagnose your problem

 

i have drag 3 kit, aem fpr, fmu, in tank fp, stock injectors, my a/f gauge wont work for some reason (my luck) so i cant read by that... the wierd thing is that it was running hard when it was rich yesterday, then out of nowhere it just didnt work the same, it pretty much is like hitting a wall, but if i hold it at about 1/4 throttle it will slowly boost all the way through rpms...

 

check your plug gaps.

 

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by spoon063 &raquo;</TD></TR><TR><TD CLASS="quote">i have drag 3 kit, aem fpr, fmu, in tank fp, stock injectors, my a/f gauge wont work for some reason (my luck) so i cant read by that... the wierd thing is that it was running hard when it was rich yesterday, then out of nowhere it just didnt work the same, it pretty much is like hitting a wall, but if i hold it at about 1/4 throttle it will slowly boost all the way through rpms...</TD></TR></TABLE>

sounds as though your runing to rich. mine did the same thing when i was runing way to rich. Check your plugs they will tell you how the engine is runing.You cant use a air/fuel ratio gauge thats hooked up to your stock o2 sensor to get accurate readings. My sound strange but i'm runing a 4:1 fmu with 310cc injectors and i'm still to rich.I had to buy a sfc to lean it out more.....my air/fuel ratio is now between 11.9-12.3