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problems with my idle... :( need help thanks

Posted: Sat Apr 17, 2010 3:54 pm
by silva2786
Hey everyone im having a problem with my new setup on my ka-t...
First this is what i have
KA24DE motor
Rev Hard Manifold,
Turbonetics Evolution 38mm (9PSI) spring
Garrett t3/t4 .60 a.r. and 63 exhaust
at the moment 370cc injectors from sr20det
n60 maf from maxima/j30
walbro 255lph fuel pump
MSD 6AL Ignition System with Blaster II coil, and MSD 2step/Rev limiter

Problem....

Car dies after any throttle weather is light or WOT it dies... UNLESS i hold the revs round 1500 for bout 15 seconds or so... i can hear the turbo winding down.
Also my a/f ratio is of the scale almost 9.2 on my wideband when im holding the throttle..
Now under WOT its perfect 11.3 round that area and driving is ok round 13.5 to 14.9 but its just that issue when i let go of the throttle..
OH SIDE NOTE some times i have a wierd throttle response i tap the throttle a bit and nothing happends.... :(

If i dont do this it will turn off. Can anyone please give me some kind of advice i have already tried maf, boost leaks, everything... i will put vid of whats going on tomorrow. But anything till will be great thanks alot.

This is my tune right now.... if anyone can fix or try to my idle or w/e needs to be done would be great thanks

Re: problems with my idle... :( need help thanks

Posted: Sat Apr 17, 2010 4:04 pm
by silva2786
also forgat to mention my tps is good .48 .50 no throttle and in WOT its round 4.75 round there :)

Re: problems with my idle... :( need help thanks

Posted: Sat Apr 17, 2010 5:24 pm
by skylinegtrhr
I always first check boost leak as it cause 99% of problems with this symptoms...
(car dieing after applying throttle and running very rich)

Re: problems with my idle... :( need help thanks

Posted: Sat Apr 17, 2010 9:09 pm
by silva2786
skylinegtrhr wrote:I always first check boost leak as it cause 99% of problems with this symptoms...
(car dieing after applying throttle and running very rich)
yes but there is no boost leak AT ALL my vacuum is perfect and does not sputter under full throttle... at all

Re: problems with my idle... :( need help thanks

Posted: Mon Apr 19, 2010 5:39 am
by silva2786
well i found my problem... after 2 hours of overlooking the simplest thing :roll: either the MAF was to close (i think) or not enough bend... so i extended with a piece of inter cooler piping i had and what do u know :shock: ..................... it idles :) so now i have to change map sense is running even richer now.... thanks to the ones that helped :)

Re: problems with my idle... :( need help thanks

Posted: Sun May 30, 2010 4:40 am
by s13_silvia_redtop
how close was your maf? maybe this is my problem but i dont know what too close would be? this is a link to a pic of my current setup

http://rides.importtuner.com/ride/11890 ... tos/2.html