Need advanced tuning help. MadZ28 Tune.

The car is still pretty much the same as the sig: If you want an exact list, I can post it up but it's still pretty basic. I originally ordered a mail-order tune from Ion but after starting the car, I decided to go ahead and purchase TunerCATS and d/l FreeScan. Currently, the car has a high idle issue and always takes 3 attempts to start, any suggestions as to why it's desired idle always says 3000+?

Here's a short clip of the last log from the car using FreeScan..

1994 Z28 Sample Coolant Sensor Volts TPS Volts Desired Idle RPM Road Speed O2 Left O2 Right BLM Cell BLM Left BLM Right Integrator Left Integrator Right Base PW L Base PW R IAC Baro Air Pressure MAP TPS MAT Volts Knock Retard Knock Count Battery Volts Air Flow Spark Timing Coolant Temp MAT Engine Running Time
3 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0
4 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
5 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
6 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
7 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
8 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
9 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
10 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
11 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
12 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
13 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
14 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
15 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
16 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
17 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
18 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
19 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
20 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
21 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
22 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
23 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
24 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
25 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
26 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
27 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
28 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
29 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
30 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
31 3.31 0.63 3187 50 0 0.08 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
32 3.31 0.63 3187 50 0 0.075 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
33 3.31 0.63 3187 50 0 0.075 0.089 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
34 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
35 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
36 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
37 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
38 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
39 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
40 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
41 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
42 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
43 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
44 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
45 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
46 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
47 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
48 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
49 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
50 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
51 3.31 0.63 3187 50 0 0.075 0.084 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
52 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
53 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
54 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
55 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
56 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
57 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
58 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
59 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
60 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
61 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
62 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
63 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
64 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
65 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
66 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
67 3.31 0.63 3187 50 0 0.075 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
68 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
69 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
70 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
71 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
72 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
73 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
74 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
75 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
76 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
77 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
78 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
79 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
80 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
81 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
82 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
83 3.31 0.63 3187 50 0 0.071 0.08 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0
84 3.31 0.63 3187 50 0 0.071 0.075 0 128 128 128 128 0 0 111 0.99 0.99 0 2.12 0 0 11.8 0 0 86.8 41 0

I can also send the entire log and/or tune to any email if you are willing to help me out. Thanks.

Hard to read format.. but your desired idle (4th column) is 3187, road speed is always 50 (5th column) when your TPS voltage (col 3) is always 0.63 V ..plus engine running time (last column) never moves.. looks like a bad scan...

Fbody, I went back and looked at FreeScan , your headers are missing RPM in column 5, road speed s/b column 6.. Therefore your desired RPM is 3188, actual RPM is 50 and road speed is 0. That makes more sense.. What you have is a trace of a stalled , not running engine. The PCM puts out 50 RPM actual, and at times 3187-88 desired RPM, and the engine timer is stopped.. This looks like a normal trace, ignition on, engine not started.. Once the engine starts the desired and actual RPM will go to correct numbers and the timer will start incrementing.

Well, the first part of that log was with the engine running. At first, we weren't moving then pulled out of the driveway for a short run. I can send anyone all my log files if someone is willing to help me out. I would host them but don't really have anywhere to do that unless someone knows how...

Here lately, I just haven't had the time to figure anything out on the car but since it's starting to get nicer out, I plan to be more on top of the game.. Well see. Anyone care to volunteer some of thier time to the cause? :D Thanks guys.




Fbody, I went back and looked at FreeScan , your headers are missing RPM in column 5, road speed s/b column 6.. Therefore your desired RPM is 3188, actual RPM is 50 and road speed is 0. That makes more sense.. What you have is a trace of a stalled , not running engine. The PCM puts out 50 RPM actual, and at times 3187-88 desired RPM, and the engine timer is stopped.. This looks like a normal trace, ignition on, engine not started.. Once the engine starts the desired and actual RPM will go to correct numbers and the timer will start incrementing.