I got the aldl cable, the computer, and Datamaster.
First time using it. Did a test run and have the data file. Can any one read these things . Can someone interpret it for me? It looks like I'm throwing codes everywhere intermitently. I have a really rough idle, stumbling when accelerating slowly, and during WOT it seems just fine. Everybody said its my opti, but I just wanted to rule-out everything else it could be first.
Thank you 'O z28 guru's

chris
http://www.savefile.com/files/472277
uni file above

 

If it makes it easier, I can put it in a .txt or Excel format. Just let me know which data I should include.
thanx
chris

 

Is it my PCM, a defective cable, or a setting issue on my computer? Anyone?

 

wow, I've never seen such a horrible looking scan, I think you have some sort electrical wiring problem, maybe a bad ground? Your LTerm counts show it running very lean and knocking excessively, and WOT looks slightly rich, but doing ok....?

I'm not much help as I'm trying to figure some things out myself and getting virtually no help here either. But there's no way that many things could be wrong at once, and the fact that its reporting "bad data" the same time its throwing codes, tells me there's a problem in the data reporting, maybe the grounding wire to the PCM is not connected, or something equally rediculous...even without bad data its also showing the TCC not reporting properly, maybe that isn't hooked up either?

 

Is this the original stock tune? if not you might try re-flashing with a known good stock tune. I've seen corrupted files really mess with an engine.

 

A ground wire problem does sound possible. The ground wire on the PMC, where might this be?
thanx
chris

 

I used to have the Hypertech Power Programmer 3 tune, but decided I didn't like it. So I programmed it back to stock. Right now its stock.

 

I've come across several pictures showing the special PCM grounding wire in the engine compartment to the block...doing a search in the forums should yield something, or try shoebox's site

 

There is one right below the #6 plug and above the starter. http://shbox.com/1/g103.jpg

 

Thank you for the pic. I checked and it's connected properly. So it's not that. All of the wires and hoses I found visibly underneath the car were OK. I have no idea what could be causing this crappy reading.