FLASH1970
15+ Year Contributor
- 1,265
- 9
- Aug 22, 2005
-
Lake Geneva,
Wisconsin
So, I'm playing around with my 99 doing some cruise tuning.
880 injectors, HUICP w/ 1g BOV, LC-1 w/xd-16 gauge, e-boost 2.
The car has closed loop turned off because I have the stock downpipe on and my wideband is in the O2 housing. I'm wondering why my AFR's are bouncing up an down. I could see a few points of movement but it's all over. I'm mostly playing with the MAF smoothing to get things dialed in. I'm trying to leave the injector scaling at 880 (actually 887 in the Ceddymods) and I added .420 to the latency table. The picture shows what I am logging. I had the arrow over a point in the log so it would display what each parameter was reading. The Throttle position, RPM, ECULoad, & Air Flow Hz are pretty much steady through out the entire segment shown in the picture. I'm just wondering why my wideband is bouncing around like a normal O2 sensor would in closed loop... should I play around with the latency? I added Here's a picture of what I am talking about.
880 injectors, HUICP w/ 1g BOV, LC-1 w/xd-16 gauge, e-boost 2.
The car has closed loop turned off because I have the stock downpipe on and my wideband is in the O2 housing. I'm wondering why my AFR's are bouncing up an down. I could see a few points of movement but it's all over. I'm mostly playing with the MAF smoothing to get things dialed in. I'm trying to leave the injector scaling at 880 (actually 887 in the Ceddymods) and I added .420 to the latency table. The picture shows what I am logging. I had the arrow over a point in the log so it would display what each parameter was reading. The Throttle position, RPM, ECULoad, & Air Flow Hz are pretty much steady through out the entire segment shown in the picture. I'm just wondering why my wideband is bouncing around like a normal O2 sensor would in closed loop... should I play around with the latency? I added Here's a picture of what I am talking about.
