oscillating injector duty cycles - Miata Turbo Forum - Boost cars, acquire cats.

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Old 04-05-2009, 06:02 AM   #1
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Default oscillating injector duty cycles

maybe one here already had the same problem:
I have strange oscillating injector input duty cycles
in the ultimate log.
Attached you see a datalog showing duty cycles
at a: 4.2% b: 16.2%
interesting, the duty cycle gets more linear at 3300rpm.
its a 2004 car with BP-VE engine, ready to get a mp62 installed,
but first I want to have the system running correct.
Only difference are 8,5 pistons.


Last edited by Falk; 04-05-2009 at 06:18 AM.
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Old 04-05-2009, 06:17 AM   #2
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some more info about the setup:
Ultimate is connected and grounded fine.
There is only one ij adj. map enabled, all cells 0.
here is the full map:

here the full log:

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