bnr stage 4 and sport 2000 install.
05-26-12, 07:25 PM
#103
If the TPS is wired backwards, it could, depending on how your ECU is set up, go into decel mode. There's a "calibrate TPS" wizard on all Megasquirt tuning software, I can't see why Haltech wouldn't have something like that.
Also, I'm not sure how much experience you have at tuning, but the bins right above the idle area need to be pretty rich to help the transition off throttle, as an aid to the accelerator pump. Also, are your accel enrichments based on MAP, TPS, or is it a combination of both? With my MS2, you can move a slider on the "accel wizard" between TPS and MAP. That allows me to select a percentage between MAP and TPS, to achieve the smoothest transition. If the TPS is no bueno, then see if you can select it over to MAP only.
Also, I'm not sure how much experience you have at tuning, but the bins right above the idle area need to be pretty rich to help the transition off throttle, as an aid to the accelerator pump. Also, are your accel enrichments based on MAP, TPS, or is it a combination of both? With my MS2, you can move a slider on the "accel wizard" between TPS and MAP. That allows me to select a percentage between MAP and TPS, to achieve the smoothest transition. If the TPS is no bueno, then see if you can select it over to MAP only.
05-26-12, 08:23 PM
#104
well guys, im a little closer to nirvana. turns out you can calibrate each sensor and wouldnt you fucken know, the calibration for all teh sensors reverted back to the stock map. lame. so i reloaded all the calibrations for all my sensors and the idle turned to ****. WO HOO!!
the way i noticed this is because i was sitting there with the engine not running but the key to on and noticed my map was at -1.9 psi. i was like... no way thats ******* correct. no way in hell. well it wasnt. who knew. lame.
knowing that the transient throttle settings that BDC put out in his sprint re base map was pretty good (some people have mentioned it) i decided to import it from his basemap.
then i loaded my old e6x map and BLAMO, rock solid idle yet again, and a slightly better throttle pump. so now i need to fix the map again so it can recover correctly after a rev
the way i noticed this is because i was sitting there with the engine not running but the key to on and noticed my map was at -1.9 psi. i was like... no way thats ******* correct. no way in hell. well it wasnt. who knew. lame.
knowing that the transient throttle settings that BDC put out in his sprint re base map was pretty good (some people have mentioned it) i decided to import it from his basemap.
then i loaded my old e6x map and BLAMO, rock solid idle yet again, and a slightly better throttle pump. so now i need to fix the map again so it can recover correctly after a rev
05-27-12, 02:26 PM
#108
LOPEY IDLE
05-27-12, 09:12 PM
#110
LOPEY IDLE
idk. when I start puting my car back together I want to T my boost/vac gauge in to my map sencer line so if it ever flys off under boost I would know about it right away . but I am worried that T ing somthing else in to my map sencer line would affect its accurisey or responsivenes at all.
05-28-12, 07:49 AM
#113
I was having troubles keeping an idle, and it turned out to be the strong pulsations in the intake. The ECU is apparently so fast that it tries to account for each and every pulsation, so something has to be done to smooth it out. The tuning software apparently has all those features, but I'm still trying to learn how to use them. I talked to a tuner and he recommended putting a small universal fuel filter in line with the sensing line, as a sort of accumulator. Turns out, he was right, and the tuning became instantly easier, and idle smoothed out so nicely, I could lean it out down to 13, from 10.5! Before it was so erratic that I had to soak the idle in fuel to keep it running. I also didn't lose any noticeable response at all.
05-30-12, 11:59 AM
#116
I know, mine is too. If your map sensor is reading those pulsations, it'll attempt to make changes to correct the idle, and end up making it worse, forcing you to soak it with fuel at idle. Put a restrictor pill or a fuel filter in the line and your tuning woes will magically disappear. 
05-31-12, 06:09 PM
#118
sorry i go off on tangents all the time. heh. at one point, my throttle got stuck. that was super scary.
http://www.youtube.com/watch?v=opvgBK_017Y
http://www.youtube.com/watch?v=opvgBK_017Y
06-01-12, 01:22 AM
#119
LOPEY IDLE
WOW that sounds a million times better! that sounds like its about time to have someone drive you around why you fine tune the fuel map. is that the map that comes on the haltech or what? coz it sounded prity smooth as you reved it up.
Last edited by sideways-FC; 06-01-12 at 01:25 AM.
06-03-12, 11:20 PM
#123
LOPEY IDLE
it dosent? so you have to fill in all of the load cells in the map with some numbers to get the engine running? I always thought it came with some sort of values on it to at least get the moter started and running.