Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

tunercat help

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Old Aug 30, 2003 | 09:47 AM
  #1  
EviLZ28's Avatar
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From: Lockport, Illinois 60441
Exclamation tunercat help

Ok, got my new motor in the car and its running. I had the computer mail tuned just to run the car. Everything is pretty close but I have a problem. With the car idling, I am getting a spark retard of 1.4 degrees. It is in closed loop and the car is at 83.3 C.
Can anyone tell me what table I need to adjust to get rid of this? Please let me know. Thanks
Old Aug 30, 2003 | 11:40 AM
  #2  
turbo_Z's Avatar
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From: Kansas
are you getting any knock retard while off idle too? what is the total advance where you are getting knock? there is a table where you can make the max spark retard "0" degrees so it cant take any timing out but if you are running too much timing then subtracting a couple degrees is gonna be the better solution.
Old Aug 30, 2003 | 05:14 PM
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EviLZ28's Avatar
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From: Lockport, Illinois 60441
Ok took the car out and I only am getting spark retard at idle. The knock count never hits the red but it still wants to retard the spark idling. As soon as I give it gas it starts to go down till it hits 0. Even under full throttle, it never gets any spack knock or spark retard. Only idling. Any ideas?
Old Aug 31, 2003 | 02:15 AM
  #4  
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From: so close I can taste it...
I've seen a couple of cars do this, but I haven't figured it out yet.
From what I remember the cars I saw do it had closed TPS values at 400, 800, and 1200 in the lower 30's. I was thinking maybe it was just a little too much timing. But I'm not real sure.
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