open loop load?
Oct 31, 2014, 12:45 PM
#76
I want to set my afr at 15.5 at idle and cruise for the best fuel economy.
- what is the best, openloop for the full time or not?
- Near the rev limiter, I loged my afr at 9.6:1, but I saw 8 knocksum, yet I did not tune my ignition map and I have 15 psi of boost at the rev limiter.
- when I loged knocksum, what ignition map do I modify, high, low, or both?
- what is the best, openloop for the full time or not?
- Near the rev limiter, I loged my afr at 9.6:1, but I saw 8 knocksum, yet I did not tune my ignition map and I have 15 psi of boost at the rev limiter.
- when I loged knocksum, what ignition map do I modify, high, low, or both?
9.6 is nearly 2 full points too rich
have a read
https://www.evolutionm.net/forums/ec...-tune-evo.html
Nov 2, 2014, 03:22 AM
#77
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yes 9.6:1 at WOT but I have 8 knockshum too.
If I lean that portion, I should have more knocksums yet?
How to verify if the ecu runs in openloop mode?
Nov 2, 2014, 08:42 PM
#78
Evolving Member
Leaning from 9.6:1 won't necessarily mean more knock, there is a point where too much fuel (your case) is bad. Bump that closer to 11.2 for starters. At 9.6:1 its doubtful ur even getting close to complete combustion of all that fuel.
As for open loop, just change the two "open loop load vs rpm tables" to 0 to force open loop all the time. This seems to be what most do. To verify, try logging ur short term feedback trim, guessing it wouldn't be oscillating
As for open loop, just change the two "open loop load vs rpm tables" to 0 to force open loop all the time. This seems to be what most do. To verify, try logging ur short term feedback trim, guessing it wouldn't be oscillating
Nov 3, 2014, 08:50 PM
#80
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Leaning from 9.6:1 won't necessarily mean more knock, there is a point where too much fuel (your case) is bad. Bump that closer to 11.2 for starters. At 9.6:1 its doubtful ur even getting close to complete combustion of all that fuel.
As for open loop, just change the two "open loop load vs rpm tables" to 0 to force open loop all the time. This seems to be what most do. To verify, try logging ur short term feedback trim, guessing it wouldn't be oscillating
As for open loop, just change the two "open loop load vs rpm tables" to 0 to force open loop all the time. This seems to be what most do. To verify, try logging ur short term feedback trim, guessing it wouldn't be oscillating
I learned something, I thought if I leaning from 9.6:1 to 11.2:1, the engine would knock more with the same ignition?
How can I accurately identify differents cells in the fuel map ( idle/cruise, spool, peak?)
I don't have table called "OL vs RPM tables
this is my rom :
Last edited by bruce974; Nov 3, 2014 at 09:09 PM.
Nov 3, 2014, 08:58 PM
#81
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I have tried to use "full time openloop" in ecu periphery option, but my AFR oscillates between 13 and 17 when this option is activated and idle becomes unstable.
Nov 3, 2014, 09:36 PM
#82
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I have tried to log 'jdm map" too and for me the values have no sens.
I have 15 psi at WOT on my mechanical gauge and the values are very different in evoscan
Look at my log please
I would have preferred the values in "bar"
I have 15 psi at WOT on my mechanical gauge and the values are very different in evoscan
Look at my log please
I would have preferred the values in "bar"
Nov 4, 2014, 11:19 AM
#83
Evolving Member
Do you actually have a JDM map sensor? If you only have a stock usdm sensor the scaling would more than likely be off, explaining why ur logging 32.x vs 15.
Nov 5, 2014, 03:09 AM
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Nov 5, 2014, 09:04 AM
#85
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Nov 8, 2014, 03:20 AM
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