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

LT4 converted idling 108 blms

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Old Dec 8, 2003 | 06:19 AM
  #1  
Hotwire's Avatar
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From: Summerfield, NC USA
LT4 converted idling 108 blms

Hey all,

I'm still having some difficulty getting my engine idling right. I have it set pretty low, 700-750 rpm, which I know is probably causing reversion issues, but what can I change in my programming to keep it from throwing so much fuel?

I've had problems w/ drivability, but converted it over to speed density and it cleared up a lot of problems. Now it's hitting 128-132 blms all day long going down the road, but as soon as I go to idle, it drops down to 108 and starts loading up. Is there a seperate table that I'm not seeing in LT1 edit that controls the idle? it's idling fine in open loop, but once it goes to closed loop it has problems.

I'd really like to fix this in the programming versus bandaiding it some how, I have been working w/ Bryan Herter on this engine for a while and just wondering if someone has gone through this same problem.

Thanks,

Jeff
Old Dec 8, 2003 | 11:36 AM
  #2  
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This post would be more appropriate in "LT1 Tech" or "Computer Diagnostics....." Moving to the latter.
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