I'm having airflow reading probs. I have my sensor at pressure aT 7-7 I leave the hot and flap at 1-1 and keep hot highlighted and exit and get 4% airflow at idle. But when I zero hot and flap I get around 30+% at idle. I'll highlight pressure at any time and get 0% readings. When I have my S-AFC my car seems to hesitate going into boost only. It also throws a code. I've had it hooked up for about 5 months now and this just started to happen. Anyone experienced any of these problems? Please let me know whats up here.
#20956, "RE: S-AFC sensor problem?" In response to Reply # 0
>I'm having airflow reading probs. >I have my sensor at pressure aT 7-7
The way it is supposed to be..
>I leave the hot and flap at 1-1 and keep hot highlighted and >exit and get 4% airflow at idle.
The airflow parameter is not applicable to our cars. Set it to pressure.
>But when I zero hot and flap I get around 30+% at idle.
See above.
>I'll highlight pressure at any time and get 0% readings.
Because you're looking at airflow. Those wires aren't even used in an AFC installation on our cars. Set the Monitor to display pressure, not airflow.
>When I have my S-AFC my car seems to hesitate going into >boost only. >It also throws a code.
Because it is looking on the wrong wires for the signal. Set it to pressure.
>I've had it hooked up for about 5 months now and this just >started to happen. >Anyone experienced any of these problems? >Please let me know whats up here.
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#20957, "RE: S-AFC sensor problem?" In response to Reply # 1
I see -400+ mm hg @ idle I have flap and hot at 0 in 0 out pressure at 7 in and 7 out pressure highlighted and exit. still between hesitates in boost only. Feels like almost a fuel cutoff. When I disconnect the safc to the map sensor it runs perfect no hesitation or fuel cutoff feel. When in boost I see pressure readings go to -4 mm hg going into boost. In wot it feels fine to. What kit are you running? I'm thinking of disconnec the black box that I got from HRC to the map sensor and just use the safc to adjust fuel curve. What do you think?