weird timing???
I have posted several responses in an attempt to aid you. I was the first to point out, that if your ESC, connected and disconnected, readings were only 6* apart, that there were problems. Then your chip burner stepped in and I figured you were in better hands.
I'm sorry if answering another posters question BOTHERS you. Besides, listening to ESC topics MAY help your problem.
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it.RACE ON!!!
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I thought CFI-EFI had disconnected his est wire- So I was gonna suggest you do the same to see if something else is wrong...
I was wrong, he corrected me saying that he disconnected his knock sensor, and I was curious how he did that...
I would not classify 1 question as stealing your thread... but I'm sorry if I pi**ed you off...
oh and thanks for the tip, CFI-EFI
Last edited by mikey whipreck; Dec 12, 2004 at 09:55 PM.
SOunds to me like you have a problem with either your ESC and/or the ECM.
At this point, I would have to say *IF* everything else is being read correctly, which only you can be sure of. I would suggest you head to the autoparts store and beg/plead for them to let you trial run a replacement ECM. Even if you do it in the parking lot of the store, which would be easy to do. To see if you see a larger jump in connected ESC to Unhooked.
Bottom line is you should be seeing at least 15-19* MORE when you plug in the ESC to achieve around 20-25* at idle.
Can't explain it any other way. You are reporting that your only seeing 6* additional. That is not right.
I asked a few other things through the post here that might also help. Most importantly, when you rev up the car with the ESC plugged in, and reading the timing at idle with your light, when you rev it up slightly, does the timing go up. It should go up to around high30s, when in park and about 3500 RPM. That would be another easy test to see if the ESC/ECM is adding the right amount of timing.
If not, then start replacing components. I am not sure if the 91s have a ESC module like the earlier cars have.??? I suggest as CFI mentioned, you get out the manual and start doing some tracking. Any codes your getting?? Not sure if you would or not.
Also, I know CFI pretty good and I am sure he meant no harm by answering the other question...in addition, I am sure he would do everything in his power to help you in your current situation.









