Hi all,
I'm still here, and still stuttering! I tried tuning the stutter away with the GReddy unit, but it didn't work. The AF correction device can 'change' its characteristics, but not get rid of it. I have started playing with injector pulsewidth, but I am limited to tuning because of the cost and availability of a dyno, and a fast laptop computer.
The software supports data logging and realtime tracing, but the laptop I'm using is so slow that it misses most of the data, so it's like a half-azzed delayed trace. I am able to make small improvements to the stuttering issue, but I'm to the point that I just want to put a gun to the damn pcm and fire it!
To answer the earlier post, I tricked the pcm with the adjustible resistor by setting the coolant temp to about 60 F.
It reduced most of the stutter, but there was an occasional jump from the motor.
It is Definitely a computer related issue.
**I confirmed on the DYNO yesterday that the car is running lean when the stuttering occurs.***
I can also say that the computer will not allow much adjustment with the airflow. Everytime you make adjustments it tunes them back out.
I have to go now, but I have more information to give.
Later,
warmonger
