PCM Diagnostics & Tuning HP Tuners | Holley | Diablo

what happens at 70 seconds??

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Old 10-17-2009 | 08:03 PM
  #1  
Tally TransAm's Avatar
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Default what happens at 70 seconds??

i posted a thread a couple days ago about base tune issues on my first start on my turbo build. well i completely scrapped that first base tune and started over and definitely made some improvements.

but i have a question. what happens with my tune at 1 min and 10 sec into the startup. prior to this point the car idles low, afr is lean, and timing is low, then at 1 min and 10 sec everything changes at it turns much better. afr is good, timing is good, actually ran for 6 min and 20 seconds beautifully and came up to operating temp for the first time in four months

this log was done last night but i did another start up tonight and it did the exact same thing.

im new to hpt and would love some insight on this

thanks
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firstgoodstart.hpl (56.1 KB, 63 views)
Old 10-17-2009 | 08:46 PM
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Goes in to closed loop??
You didn't log the status bits, so I couldn't tell
Old 10-18-2009 | 12:51 AM
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Pretty weird, a little spark bump and then things just get a
whole lot better. Could you maybe put up your config file
for this log, I don't think I'm seeing everything because it
defaults to mine.
Old 10-18-2009 | 06:28 AM
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should be forced open loop

heres the file
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